research paper grammar checker free

A grammar check for peace of mind

Check for grammar errors, plagiarism, and more.

• Grammar Check
• Expert Check
• Plagiarism Check

Find and fix grammar errors

Turn in your best work. Our smart proofreader catches commonly confused words, grammar issues, misspellings, and more.

Get expert writing help

Improve the quality of your paper. Receive feedback on your main idea, writing mechanics, structure, conclusion, and more.

Check for accidental plagiarism

Avoid unintentional plagiarism. Check your work against billions of sources to ensure complete originality.

What students are saying about us

"Caught comma errors that I actually struggle with even after proofreading myself."

- Natasha J.

"I find the suggestions to be extremely helpful especially as they can instantly take you to that section in your paper for you to fix any and all issues related to the grammar or spelling error(s)."

- Catherine R.

One, easy scan for grammar

Scan your paper to target common grammar mistakes such as punctuation errors, misused words, misspellings, and more. The EasyBib grammar checker will also help you build a more focused paper by finding and flagging text that could be improved.

Get started in three easy steps:

• Upload or copy and paste your paper into the uploader.
• Click “Check my paper.”
• See how many grammar issues are flagged and review the suggested action for each.

With the EasyBib grammar checker, a polished paper is always within your reach.

Why is grammar such a big deal, anyway? 

Did your seventh-grade English teacher always nag you about your grammar? Did she send your papers back, covered in red ink? You may think that a few grammar mistakes aren’t the end of the world, but unfortunately, your teacher was right: technical errors can have a significant effect on your writing and academics.

It can be a hard pill to swallow, but  instructors and employers really do use the quality of your writing to judge your capabilities . If your work is full of grammar errors, you may wind up with a low grade. Beyond school, you could find yourself missing out on jobs or promotions.

As a student, you already know all about doing in-depth research and creating solid arguments for your papers. However, don’t overlook the importance of proofreading. Technical errors can jeopardize your credibility, and poor grammar and spelling may give your reader the impression that you don’t know what you’re talking about.

Cleaning up your grammar can help keep your academic career on track. Clear, concise writing shows off your great communication skills. An error-free paper  says you’re knowledgeable about the rules of grammar and also responsible enough to double-check your work for mistakes.

If grammar was never your strong suit, don’t worry. The EasyBib grammar checker can help you catch simple mistakes and polish your writing. Also, you can use the writing suggestions to help reinforce your understanding of grammar rules and ensure you express your ideas in the best ways possible.

Do I really need a grammar check? 

Spotting grammar mistakes can be tough. If you’ve been working on a paper for a while, identifying a mistake among a sea of 1,000+ words can feel like finding a needle in a haystack. If writing has always been a struggle, the task may seem almost impossible.

Consider this:  even professional writers have their work checked. It’s part of the professional writing process. We all want to present our best work, and getting an external review helps us to achieve that.

Whether writing is your strength or your weakness, you can still benefit from a paper review from a service like the EasyBib grammar checker.

My spell checker isn’t enough?

Millions of people already rely on the built-in spell checkers available in word processors. Those integrated proofreading tools can point out simple spelling and grammar errors . If you spell definitely as “definately,” it will let you know.

Online integrated checkers can catch typos, but they can’t help you do a proofreading and editing rewrite. They aren’t set up to spot complex grammar problems. Often, those spell checkers miss punctuation errors or problems with sentence structures. They may fail to spot misused words or correct the use of passive voice.

Tools like the EasyBib grammar checker offer more than a simple checkup. They help you restructure sentences for greater clarity and conciseness. They can also identify confusing or unclear sections.

If you struggle with run-on sentences or sentence fragments, these spelling and grammar checking tools are a must.

They can turn a paragraph like this:

“Don’t say another word whipered the teacher. Its too late for me, but it’s not for you! This book was entirely written by my mother. Take it and travel to london to find the librarian who can help you finding the treasure. It is really a very long and tiring trip, but I think you might be able to do it on your own..”

“Don’t say another word,” whispered the teacher. “It’s too late for me, but it’s not for you! This book was written by my mother. Take it to London to find the librarian who can help you find the treasure. It is indeed a long and tiring journey, but I think you can do it.”

Tools like the EasyBib grammar checker help clear up confusion and streamline paper that otherwise may not cut it in college. Instructors expect clear, concise, and grammatically correct writing. A grammar checker can provide in-depth support for your proofreading and editing needs.

Okay, I’m sold. How do I get started? 

Simply go to the top of this page and upload your paper into the EasyBib grammar checker and click “ Check my paper ” to begin.

The checker scans your paper  and provides personalized grammar suggestions. It will tell you how many errors were found and provide a suggested action for each one. From there, you can review the suggestions and decide how to shape your paper.

Here are a few things you should know about the EasyBib grammar checker:

• The first 5 grammar suggestions are free!
• If you want more than 5 suggestions, an EasyBib Plus subscription gives you full access.
• The comprehensive checker screens for more than 400 of the most common grammar errors.
• It flags grammar errors, spelling mistakes, misused punctuation, and more.
• Each flagged error comes with an explanation and suggestion for correction.

If you’d like another pair of eyes to review your work, EasyBib Plus also comes with Expert Check. With this service, you can submit your paper to a live proofreader who will provide personalized suggestions online to improve your paper. Subscribers can upload up to 15 papers to Expert Check each month to get personalized comments on your main idea, conclusion & more for their papers.

Worried about plagiarism? After getting a grammar check, you can easily run a plagiarism check with just a few clicks. The plagiarism checker compares your paper to billions of sources and detects plagiarism. If the checker spots similar phrasing, it lets you know right away, so you can rephrase your words or use a direct quote.

Try it today! The EasyBib grammar checker is ready for you 24/7. What are you waiting for?

Visit www.easybib.com for more information on helpful EasyBib writing and citing tools.

For informational guides and on writing and citing, visit the EasyBib guides homepage .

Enterprise Inquiry

Share your requirements with us and our team will respond to you promptly., free grammar checker.

Enhance your writing instantly with Trinka's AI-powered free grammar checker. Trinka goes beyond simple grammar and spelling corrections, taking your writing to the next level. Available in English and Spanish.

Get real-time grammar check on your favorite websites for FREE!

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Check your writing for up to 5000 words every month and notice an all-round improvement in your language and style.

Best Free Online Grammar Checker

Trinka is an AI-powered, free grammar checker and language enhancement writing assistant designed specifically for academic and research paper proofreading. In addition to advanced grammar checks, Trinka improves your writing for vocabulary, tone, syntax, and more. Trinka offers advanced grammar checks and contextual spelling corrections instantly and lets you improve your writing in minutes. 

Trinka provides real-time writing suggestions and advanced grammar checks to help professionals and academicians ensure formal, concise, and engaging writing. Trinka's AI grammar checker is trained on millions of well-written papers and articles covering 1300+ subject areas including medicine, life sciences, physical sciences, engineering, humanities, business, and arts to give you the most relevant suggestions for your subject.

Who can use this Grammar Checker?

Trinka is ideal for anyone looking to improve their English writing skills. Trinka's free grammar checker tool is trusted by academics, copywriters, marketers, product teams, bloggers, and more.

More than a Grammar and Punctuation Checker

Advanced grammar checks.

Trinka goes beyond the basic grammar and spelling checks to evaluate your writing for advanced grammar errors and suggests language enhancements to improve your writing quality.

Neither the healthy individuals nor the patient recognize recognizes the visual discrepancies.

Sentence Structure

Trinka's sentence corrector helps you structure your sentences better based on your subject matter, making your writing easier to read for your audience.  

The students don't enjoy to go going over the same rules again and again.

Word Choice

Trinka fixes the errors in word choice that make your writing unclear. Trinka makes your writing concise and clear, so that you can communicate your intent accurately.

One of the reasons is because that the fabrication cost for of steel members depends upon the material.

Advanced Spell Check

Trinka’s free spell checker understands the context of your writing and helps you pick the right word for your topic. No more awkward spelling errors! 

The Bonferoni Bonferroni test was used to check for statistical significance.

Other AI Tools Available with Trinka Grammar Checker

Paraphraser.

Experience enhanced clarity and tone in your writing by rephrasing text with Trinka's Paraphrasing Tool. Designed to deliver coherent rephrasing while maintaining the original meaning.

Plagiarism Checker

Who Can Benefit From This Grammar Checker?

Trinka is perfect for anyone wanting to enhance their English writing skills. Our free grammar checker is trusted by academics, copywriters, marketers, product teams, bloggers, and more.

Researchers

For research scholars and academics, Trinka is an essential tool for improving articles, dissertations, and research papers. It helps maintain academic standards and ensures clear communication of ideas.

Professionals

Trinka enhances your professional documents, such as reports, presentations, and emails. It corrects spelling mistakes, improves sentence structure, and enhances overall professionalism.

Trinka is an essential tool for students at all levels. It helps edit essays, research papers, and assignments, ensuring perfect grammar, clarity, and coherence.

Writers of Various Content

Trinka is versatile and can assist with any type of writing. It can revise personal statements, cover letters, novels, social media posts, and more, ensuring your message is communicated clearly.

Get Trinka Where You Need It

Make Your Writing More Effective with Trinka’s Grammar Checker

Trinka's AI grammar checker checks your writing and improves your sentences holistically – for tone, structure, word choice, and readability – unlike other sentence checkers. Streamline your workflow with our professional grammar checker- it incorporates three products in one. Get a sentence checker, spell checker, and a punctuation checker.

Get more than just grammar check and ensure your writing is clear and concise.

Learn Grammar with Trinka's Grammar Checker

Every grammar correction is a learning opportunity. Trinka's grammar checker doesn't just highlight errors but also explains how to fix them, which will help you become a better writer. You get an indicative score of the overall language quality of the content too.

Through Trinka's AI grammar checker, students can learn how to write effectively and inculcate best writing practices.

Testimonials

What are you waiting for, trinka’s grammar checker faq, how does trinka compare to other free online grammar checkers.

We tested 5,778 words from five academic domains on other free grammar checkers. We checked for the accuracy of corrections, style guide preferences, conciseness, and contextual spelling checks – and stood out proficiently. For a detailed comparison, check out our comparison whitepaper .

Why Trinka Grammar Checker?

How are Trinka's paid plans different from other free grammar checkers?

Trinka isn't your typical grammar checker. It's an excellent choice for academic and technical writing. Trinka's free plan includes more features than most other premium grammar checkers. Our premium plan is reasonably priced and offers more features that cover your every writing need!

What platforms/apps can Trinka's grammar checker be used on?

Trinka’s grammar checker can be used on any web browser. It is also available as a browser plug-in for the most popular browsers such as Chrome, Firefox, Safari, and Edge, to help you get grammar corrections on your favourite websites. Trinka is also available on MS Word add-in for premium users.

Can Trinka’s grammar checker be integrated with my proprietary software?

Trinka Enterprise solution offers a variety of easy-to-integrate options. You may use Trinka JS to integrate grammar check into your website by simply inserting a code snippet or use Trinka API that lets you integrate Trinka into any of your existing products or workflows.

Is the content detectable by Turnitin?

If there is plagiarized content in your text, it will be detected by Turnitin. Trinka does not write on your behalf, so any plagiarism performed by you is your sole responsibility. You can, however, use Trinka’s plagiarism checker to avoid circulating plagiarized content.

Do you use ChatGPT/GPT-X?

Trinka suggests corrections to your writing through our proprietary AI technology and does not use ChatGPT/GPT-X to correct the text. Therefore, Trinka-corrected human writing should not be labelled as AI writing.

How to check writing online for free?

Use Trinka to check your writing online for free. It is an advanced AI-powered tool that makes your writing clear and easy to understand. With Trinka, you can check your text for everything from minor punctuation errors and typos to nuanced grammatical mistakes and phrasing problems. You can check your grammar for free anywhere on the internet with Trinka's browser plugin as well as in MS Word using the Trinka add-in for Word.

How do I check if a sentence is grammatically correct?

In order to check the grammatical correctness of a sentence, simply paste it in Trinka's spelling and grammar checker . Trinka will thoroughly check the sentence for punctuation, grammar, and vocabulary mistakes.

How do you get spell check on Twitter?

Just install Trinka's browser plug-in for your favorite browser and let Trinka check the grammar of your tweet. Get instant grammar check across Twitter.

How do I check my grammar mistakes in word online?

Install Trinka's MS Word add-in to get corrections in real time. Moreover, the Trinka Proofread File feature in the add-in can automatically edit your MS Word document in track changes, which you can then download from Word's side panel and finalize. Become a Premium member to use this powerful tech to make your writing clear and confident.

How does the Trinka grammar checker actually work?

Trinka’s grammar checker uses advanced natural language processing (NLP) algorithms that are trained on millions of manuscripts in different subject areas. Trinka is also powered by handcrafted grammar rules that are continuously tested and updated to provide holistic content improvements.

How do I check my Grammar on Google?

Just install Trinka's browser plug-in and get instant grammar check automatically on your favorite browsers.

How accurate is the Trinka grammar checker?

The Trinka grammar checker has been specifically designed for academic content. Hence, it is the best free grammar checker for academic and research content. Our assessments on relevant datasets show that Trinka generally achieves >90% precision and >80% recall.

Can Trinka check grammar for Word documents?

Trinka's MS Word add-in checks and provides free instant grammar checks . Moreover, Trinka Proofread File automatically edits your MS Word document in track changes, which you can download and finalize.

Can the Trinka free grammar checker correct sentence structure?

Trinka’s free grammar checker goes beyond grammar checks and enhances your writing for sentence structure, style, tone, and much more.

Can the Trinka spelling and grammar checker be accessible for free?

Trinka spelling and grammar checker can be accessed freely on this page only up to 300 words, but with its basic plan you can use it up to 5000 words for free.

Can Trinka be used as a grammar enhancer on my documents?

Trinka goes beyond grammar and spelling, so it will not just assist in enhancing the grammar of your document but also holistically improve the language quality of your document.

Can Trinka's grammar checker online be used for manuscripts?

Because Trinka's grammar checker is specially designed for academic and formal/technical writing, it is the online best grammar checker for manuscripts.

Can Trinka's free grammar checker identify consistency errors?

In Trinka's free grammar checker , there is an inbuilt feature known as Consistency Checker . It identifies 5 variations of inconsistencies in a single click.

Can the Trinka grammar checker check MS word documents?

Trinka grammar checker offers an add-in for MS word users, Trinka also has an auto file edit feature where your document is automatically checked for grammar errors in seconds, and you get all the suggestions in track changes.

Can the Trinka online free grammar checker be accessed offline?

Trinka's free grammar checker needs an active online connection to provide real-time suggestions.

Where can I check if my grammar is correct?

Trinka's free instant grammar checker will automatically proofread your text to ensure that it is in the most suitable form. You can click on the suggestions that appear for the underlined text to correct spelling mistakes and grammar errors or to apply style suggestions.

Where can I check my grammar for free?

With Trinka's Basic plan, you can check your grammar for free anywhere on the internet with Trinka's browser plugin .

Does the Trinka grammar checker provide grammar correction with explanation?

Absolutely! Trinka’s grammar checker provides suggestions with explanations for you to learn from your mistakes and make an informed change to your content.

Can the Trinka grammar checker replace proofreading?

The quality of the original writing will determine this. A proofreader would be beneficial if you do not speak English and make several complex errors pertaining to logical construction in English. Trinka can fix thousands of grammatical mistakes and complex writing problems. However, AI is limited. If the construction is not logical, it cannot decipher your intended meaning. For those who possess sufficient knowledge of the English language to construct logically correct sentences, Trinka grammar checker can take care of tone, word choice, grammatical constructions, spelling, and a whole lot more.

Does the Trinka grammar checker check punctuation?

Yes, Trinka’s grammar checker can correct punctuation and improve the quality of your content.

Does the Trinka Premium grammar checker have discounts for student users?

The Trinka Premium grammar checker can be accessed at a 20% discount by students. Reach out to [email protected] to avail this discount.

Does the Trinka Grammar Checker support languages other than English?

Trinka's grammar checker only supports English.

On which websites does the Trinka Grammar Checker tool work?

Use the Trinka browser plug-ins , depending on your browser of choice, to take advantage of Trinka's free grammar checker across all websites.

Which applications are supported by the Trinka Grammar Checker tool?

Once you sign up for Trinka's Basic plan and download the Trinka browser plug-in , you can access it across websites and correct your grammar anywhere, online. You can also use Trinka Word add-in for MS Word documents.

What kind of English mistakes can the Trinka Grammar Checker correct?

Besides spelling and grammar, Trinka's grammar checker also corrects punctuation, sentence structure, tone, etc. to improve your content.

Could the Trinka grammar checker be used to check the grammar in my thesis?

Yes. the Trinka grammar checker excels at revising academic/technical documents. We recommend that you use it for theses, research papers, reports, essays, and other formal documents.

Does Trinka AI support different languages?

Currently, Trinka AI does not support any other language except for English. However, we are continuously working on updates and improvements, and it is planned to be available in future updates. Stay tuned for further announcements regarding language support.

Can I integrate real-time checking into my text editor?

Grammar checking has become an expected feature for any writers nowadays. Trinka made it easy to integrate free grammar checking feature into any online editor. We've build a grammar checking tool that makes this easy. You should be able to integrate grammar and spell checking into your editor in a few minutes.

AJE's Free Grammar Check for Scientists and Academics

• Peer Review

The AJE grammar check tool is free to use. AJE's grammar check tool checks your academic paper for clarity, incorrect grammar, readability, and consistency.

Updated on April 20, 2021

Automated academic grammar checker

Do not let grammar be a deciding factor in manuscript rejections. AJE's free grammar check helps you assess whether or not your paper could benefit from revisions. Get started by clicking here.

Check your research paper for readability with AJE's free grammar check tool. Our tool rates your paper based on the academic English language quality of your paper using metrics specific to academics within the seven major fields of study: Clinical Medicine, Life Science, Physical Science, Business and Law, Humanities and Social Science, Engineering and Materials Science, and Mathematics and Computer Science.

AJE's Grammar Check looks for:

• Readability
• Incorrect Grammar

Consistency

A free online grammar check specifically for academics, help your research get heard.

Poorly communicated research is simply less likely to be published in academic journals. Communicating science in the English language can be difficult and confusing. Native and non-native English speakers, regardless of their language skills, should have their manuscripts reviewed before submission.

The AJE Grammar Check tool can help you determine the clarity of your academic paper, find grammatical mistakes, and ensure a better understanding of your research within your area of study. With AJE's Grammar Check, researchers can think about their next research project and let AJE think about the grammar in their academic paper or grant application. Start your grammar check here.

The benefits of checking your grammar

Avoid rejection due to poor grammar.

Papers can be in a journal's peer review queue for many months, sometimes years. According to a study in the Journal of Epidemiology, 62% of accepted submissions were rejected at least once. A paper's rejection after a long-awaited response can be frustrating for any author. Imagine the frustration if the article were rejected due to an avoidable issue, like poor grammar.

The AJE grammar check tool is free to use. And if your paper is submission-ready, our proprietary system will make you aware.

Get peace of mind with a free grammar check

Get results in minutes.

Only 7.6% of manuscript submissions to Nature journals were published in 2017.

Researchers often work long hours and late nights to solve real-world problems. Much of that research deserves to be heard, yet only a small percentage make it into the most competitive journals. Don't let grammar be the reason why your paper was rejected.

There are many reasons a paper may need expert assistance : an edit or review to ensure your language is clear to your audience, a full translation by a native English speaker with an advanced degree to help share your research with the broader community, or formatting to meet the requirements of a specific journal. Whatever the case, we have the expertise and solutions to help. Get peace of mind by checking the grammar in your academic paper.

Why use AJE Grammar Check?

Aje is trusted by more than 3,000 academic journals.

The AJE Grammar Check tool compares your academic paper to hundreds of thousands of edited and unedited papers that were hand-scored for clarity, readability, grammar, and consistency. The grammar check tool populates a score of 0-10, with a higher score indicating higher English language quality. Papers that underwent editing through one of AJE's editing services have an average quality score in the 96th percentile when compared to unedited submissions.

The AJE Grammar Check tool will review your research paper for proper technical grammar and provide you with a score.

A common spell check tool can find obvious misspelled words, but AJE's grammar check tool is designed for complicated technical words commonly used within academic papers.

How clear is your technical writing? The AJE Grammar Check tool takes context and sentence structure into account when analyzing your academic manuscript.

A common problem with academic writing is inconsistency in the use of abbreviations or technical terms. Our tool looks for these key signals when performing its analysis.

What is AJE's Language Quality Score?

After a paper has gone through the grammar check process, the paper is given a quality score of 0-10. The Language Quality Score was developed by AJE and is designed specifically for the field-specific language commonly used by researchers.

The higher the score, the better the use of English within the submitted academic paper.

More than just checking your grammar

A division of Research Square Company, AJE offers a full suite of services aimed at improving your academic writing. AJE offers several levels of field-specific academic language editing by native English speakers with advanced degrees. AJE also offers academic translation into English from Chinese, Portuguese, Spanish, and Japanese.

Research Square also offers preprints, infographics, and video services. Professional infographics can help you explain complex ideas or data in your paper. Videos about your study can help you share your research on social media, attract media coverage, or get discovered by potential funders.

About American Journal Experts

AJE, a division of Research Square Company, exists to make research communication faster, fairer and more useful. Through English editing and our comprehensive suite of author services, we are proud to have supported over 2.5 million researchers in 192 countries since our founding in 2004. By helping researchers achieve publication success, we accelerate the pace of global discovery and advancement.

For more information on our services and partnership opportunities, visit AJE.com

The AJE Team

See our "Privacy Policy"

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Essay checker: free online paper corrector

Your best chance for an A+ essay. Try our free essay checker below.

Start typing, paste, or use

Get more suggestions to enhance this text and all your future writing

Your suggestions will show once you've entered some text.

Great job! We didn't find any suggestions in your text.

Why should you use a free essay checker?

The simple answer? Good grammar is necessary, but it's not easy. You've already done countless hours of research to write the essay. You don't want to spend countless hours correcting it too.

You'll get a better grade

Good grammar, or its absence, can determine if you get a good grade or a failing one. Impress your lecturer not just with how grammatically sound your writing is but how clear it is and how it flows.

You'll save time

Essay writing can be a long and tedious process. ProWritingAid's essay checker saves you the hassle by acting as the first line of defense against pesky grammar issues.

You'll become a better writer

Essay writing is a particular skill and one that becomes better with practice. Every time you run your essay through ProWritingAid's essay corrector, you get to see what your common mistakes are and how to fix them.

Good Writing = Good Grades

It's already hard to know what to write in an essay. Don't let grammar mistakes hinder your writing and prevent you from getting a good grade. ProWritingAid's essay checker will help you write your best essay yet. Since the checker is powered by AI, using it means that grammar errors don't stand a chance. Give your professors something to look forward to reading with clear, concise, and professional writing.

How does ProWritingAid's essay checker work?

Your goal in essay writing is to convey your message as best as possible. ProWritingAid's essay checker is the first step toward doing this.

Get rid of spelling errors

ProWritingAid's essay checker will show you what it thinks are spelling errors and present you with possible corrections. If a word is flagged and it's actually spelled correctly, you can always choose to ignore the suggestion.

Fix grammar errors

Professors aren't fans of poor grammar because it interrupts your message and makes your essay hard to understand. ProWritingAid will run a grammar check on your paper to ensure that your message is precise and is being communicated the way you intended.

Get rid of punctuation mistakes

A missing period or comma here and there may not seem that serious, but you'll lose marks for punctuation errors. Run ProWritingAid's essay checker to use the correct punctuation marks every time and elevate your writing.

Improve readability

Make sure that in the grand scheme, your language is not too complicated. The essay checker's built-in Readability report will show if your essay is easy or hard to read. It specifically zones in on paragraphs that might be difficult to read so you can review them.

What else can the essay checker do?

The editing tool analyzes your text and highlights a variety of key writing issues, such as overused words, incohesive sentence structures, punctuation issues, repeated phrases, and inconsistencies.

You don't need to drown your essay in words just to meet the word count. ProWritingAid's essay checker will help to make your words more effective. You'll get to construct your arguments and make sure that every word you use builds toward a meaningful conclusion.

Transition words help organize your ideas by showing the relationship between them. The essay checker has a built-in Transition report that highlights and shows the percentage of transitions used in your essay. Use the results to add transitions where necessary.

An engaging essay has sentences of varying lengths. Don't bore your professor with long, rambling sentences. The essay checker will show you where you need to break long sentences into shorter sentences or add more sentence length variation.

Generally, in scholarly writing, with its emphasis on precision and clarity, the active voice is preferred. However, the passive voice is acceptable in some instances. When you run your essay through ProWritingAid's essay checker, you get feedback on whether you're using the passive or active voice to convey your idea.

There are specific academic power verbs, like appraise , investigate , debunk , support , etc., that can add more impact to your argument by giving a more positive and confident tone. The essay checker will check your writing for power verbs and notify you if you have less than three throughout your essay.

It's easy to get attached to certain phrases and use them as crutches in your essays, but this gives the impression of boring and repetitive writing. The essay checker will highlight your repeats and suggest contextually relevant alternatives.

Gain access to in-house blog reports on citations, how to write a thesis statement, how to write a conclusion, and more. Venture into a world of resources specific to your academic needs.

What kinds of papers does ProWritingAid correct?

No matter what you're writing, ProWritingAid will adapt and show you where your edits are needed most.

• Argumentative
• Descriptive
• Textual analysis
• Lab reports
• Case studies
• Literature reviews
• Presentations
• Dissertations
• Research papers

Professors and students love using ProWritingAid

If you're an English teacher, you need to take a look at this tool - it reinforces what you're teaching, highlights strengths and weaknesses, and makes it easier to personalize instruction.

Jennifer Gonzales

Only reason I managed to get an A in all my freshman composition classes.

Chris Layton

Great tool for academic work. Easy to use, and the reports and summary evaluation of your documents in several categories is very useful. So much more than spelling and grammar!

Debra Callender

Questions & Answers

1. how do i use the essay checker online tool.

You can either copy and paste your essay in the essay checker field or upload your essay from your computer. Your suggestions will show once you enter text. You'll see a number of possible grammar and spelling issues. Sign up for free to get unlimited suggestions to improve your writing style, grammar, and sentence structure. Avoid unintentional plagiarism with a premium account.

2. Does the essay checker work with British English and American English?

The essay checker works with both British English and American English. Just choose the one you would like to use and your corrections will reflect this.

3. Is using an essay checker cheating?

No. The essay checker won't ever write the essay for you. It will point out possible edits and advise you on changes you need to make. You have full autonomy and get to decide which changes to accept.

4. Will the essay checker autocorrect my work?

The essay writing power remains in your hands. You choose which suggestions you want to accept, and you can ignore those that you don't think apply.

5. Is there a student discount?

Students who have an eligible student email address can get 20% off ProWritingAid Premium. You can apply for a student discount through Student App Centre .

6. Does ProWritingAid have a plagiarism checker?

Yes. ProWritingAid's plagiarism checker will check your work against over a billion webpages, published works, and academic papers, so you can be sure of its originality. Find out more about pricing for plagiarism checks here .

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• 10 Best Free Grammar Checkers | Tested & Reviewed

10 Best Free Grammar Checkers | Tested & Reviewed

Published on February 6, 2024 by Jack Caulfield . Revised on July 11, 2024.

Good grammar is important to expressing yourself clearly, especially in professional contexts and in academic writing . There are countless free grammar checkers available online, but which ones are really reliable?

To find out, we tested 10 of the most popular free grammar checkers , checking how many errors they could fix in our sample text and deducting points for any new errors introduced. We also assessed the tools’ user-friendliness. The results show a clear winner: QuillBot .

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Table of contents

1. quillbot / scribbr review, 2. languagetool review, 3. grammarcheck review, 4. grammarly review, 5. wordtune review, 6. writer review, 7. prowritingaid review, 8. linguix review, 9. scribens review, 10. ginger review, research methodology, frequently asked questions about grammar checkers.

QuillBot performed exceptionally well compared to the other tools we tested for this comparison. It was able to find and correct all of the 20 errors. The Scribbr Grammar Checker , powered by QuillBot, performed just as well.

We also found the interface on both sites very user-friendly. The “Fix All Errors” option saves a lot of time and clicking when a high number of corrections are needed. And getting started is very quick, since no sign-up is required and you can just copy text directly into the site.

Quality of check

• Noticed all 20 errors
• Correctly fixed all 20 errors
• No sign-up required, so it’s very quick to get started
• Offers a browser extension
• “Fix All Errors” button makes it very easy to correct a lot of issues at once
• Errors can be fixed individually with one click
• There’s a shortcut to QuillBot’s paraphraser tool, if you want to use this too
• Various formatting options, an export button, and a copy full text button built in
• Use it on the QuillBot site or right here on Scribbr (both 100% free)

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LanguageTool performed excellent, detecting 19 out of 20 errors in the text. It was able to recognize all spelling mistakes, word choice errors, and punctuation mistakes.

We did find the site relatively user-friendly, since it doesn’t require a sign-up and has a decent, clean user interface. However, it does take two clicks to correct and error and it’s not possible to correct all errors at once.

• 19 out of 20 errors detected
• 19 out of 20 errors corrected
• No sign-up required, quick and easy to get started
• Gives multiple options when different interpretations are possible
• Two clicks to correct an error
• No “Fix All Errors” button

Try LanguageTool

Though it performed a lot worse than QuillBot and LanguageTool, GrammarCheck did better than the average free grammar checker. It corrected 11 out of 20 errors in the text and did not introduce any errors in the process.

In terms of usability, we found GrammarCheck straightforward to use, since there’s no sign-up required and you can just copy-paste text into the site. It also takes only one click to accept a change in the text.

But the interface on the site looks quite dated, and convenient options like a “Fix All Errors” button are missing. The “Deep Check” button seems to redirect the user to Grammarly, although GrammarCheck’s own tool does seem slightly different from Grammarly’s.

• Fixed 11 of 20 errors, the same number as Grammarly
• Ignored the other 9 errors (mostly issues with punctuation and sentence structure ), suggesting it can only handle the basics
• No sign-up needed
• Quick and easy to use—just paste text in
• One click to accept a change
• Interface is quite old-fashioned
• “Deep Check” just redirects you to Grammarly

Try GrammarCheck

Grammarly performs well compared to the average grammar checker. But because it’s not entirely free, many of the issues it notices can only be checked if you pay for a premium membership. The free version of Grammarly could only fix 11 out of 20 errors in our text.

Based on the other parts of the text it had highlighted, it looks like premium version of Grammarly would be able to detect 15 of the 20 errors—notably, still a lower number than QuillBot detects and fixes for free.

In terms of usability, we found it somewhat inconvenient to have to sign up to use the grammar checker, but we appreciated the clean look of the interface and the fact that it gave multiple options for corrections when different interpretations were possible. However, we found the process of fixing errors slower than it needed to be.

For more information, you can read our in-depth Grammarly review .

• Fixed 11 of 20 errors
• Noticed some (though not all) other errors, but you have to pay for premium to see them
• Unnecessary suggestions like adding “the” before “chronic obstructive pulmonary disease”
• The interface has a nice, clean look
• No “Fix all errors” button
• Two clicks required to fix an error
• Need to sign up to use it at all
• Can’t see all suggestions at once, only one type at a time

Try Grammarly

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Wordtune performed better than any other grammar checker except QuillBot and LanguageTool in terms of the errors it found and corrected, with a score of 13 out of 20 . However, this is with the important caveat that it’s more of a paraphrasing tool than a standard grammar checker.

As far as we could tell, there was no way to separate its paraphrasing functionality from its basic grammar checking, so the only way it would fix most errors in the text was by completely rewriting sentences. This makes it an inappropriate choice if you want to keep the structure of your text intact.

We also found that the paraphrases offered would sometimes introduce new errors or significantly change your meaning. And we found it inconvenient to have to sign up before using the tool. For these reasons, we’ve ranked it lower than some other tools despite its higher score “on paper.”

• Fixed 13 out of 20 errors, more than most tools
• Some suggested paraphrases introduced new errors
• Some paraphrases significantly alter your meaning
• No way to isolate individual problems rather than rewriting whole sentences
• Corrections require two clicks
• Have to sign up to use it

Try Wordtune

Writer corrected 7 errors in the text, but it also introduced 4 new errors in the process of correcting them, resulting in a score of 3 out of 20 .

The errors it introduced were all punctuation errors . Writer seems to attempt to simplify your sentence structure in a clumsy way, by simply removing commas and parentheses that are grammatically necessary. This results in confusing and grammatically incorrect sentences.

The interface on the Writer site is fairly clean and usable, and it does allow you to accept each change with one click. But you have to go through a sign-up process before you can start using it. And due to the various errors introduced, it’s hard to recommend Writer.

• Only fixed 7 out of 20 errors …
• … and introduced 4 new errors in the process
• One-click corrections
• Fairly clean and usable interface
• Sign-up required before you can start
• Many basic corrections require a premium membership
• Labeling of types of errors seems misleading (e.g., punctuation issues labeled “Spelling”)

Like Writer, ProWritingAid was able to find only a few errors and introduced some errors of its own. In this case, it fixed 5 errors and introduced 2, resulting in a score of 3 out of 20 .

The errors introduced by ProWritingAid resulted from identifying issues but fixing them in ways that didn’t work. For example, it identified that the acronym “C.O.P.D” is not correct, but suggested the solution “C.O.P. D” with a space inserted before the “D”—which is just as bad.

We found the interface only moderately user-friendly. The interface of the tool looks fairly appealing, but it’s also very busy, with a lot of unnecessary information and options displayed in a distracting way. It also can’t be used without first signing up for an account.

• Only fixed 5 out of 20 errors …
• … and introduced 2 new errors in the process
• Offers an extension
• Interface has a fairly nice look to it
• Sign-up required
• Somewhat confusing site design makes it hard to find the tool itself
• Interface is quite overwhelming and distracting

Try ProWritingAid

Linguix had the worst performance out of any of the tools we tested, fixing only 3 errors and introducing 1 new error, resulting in a score of 2 out of 20 . It highlighted 7 other errors, but as with some other tools, it would only explain and correct them in the premium version.

It was unable to recognize the word “apraxia.” In this case, we’ve deducted a point for this, since it simply labels the word as a “spelling mistake” without any suggestion it could be misleading the user.

It also wasn’t all that user-friendly. While the interface looks nice enough and one-click corrections are possible, you have to sign up to edit texts above a certain length. And since even the premium version seems to find less than half the errors in the text, we can’t recommend it.

• Fixed only 3 out of 20 errors …
• … and introduced 1 new error
• Decent-looking interface
• Almost all corrections gated behind premium membership
• No “Fix All Errors”
• Need to sign up to edit texts of this length

Try Linguix

Scribens (not to be confused with Scribbr!) scored the same as ProWritingAid, with 5 errors fixed and 2 new ones introduced, resulting in a score of 3 out of 20 . In one case, it suggested changing “multiple sclerosis” to “many sclerosis,” quite a bad mistake.

Scribens also offers a variety of extra features that can be turned on at the side. We found that these features introduced various major errors into the text when turned on, such as changing “they’re” into “they’represent.” The one that claimed to detect run-on sentences actually appeared to just highlight every long sentence.

Since these features were turned off by default, we haven’t deducted points for them, but we strongly recommend against using them. In terms of user interface, Scribens is at least easy to get started with, but it’s quite dated in appearance and performs very poorly overall.

• … and introduced 2 new errors
• Optional features in the sidebar mostly create nonsense text
• No sign-up, easy to get started
• Dated interface
• Two clicks to fix an error

Try Scribens

Ginger scored the same as several other tools we tested, finding only 3 out of 20 errors but not adding any errors of its own. We’ve ranked it lowest out of all the tools we tested because of some unreasonable limitations regarding text length.

Ginger claims that its grammar checker will only “partially” correct sentences of more than 350 characters. In practice, we found that it just ignored these sentences entirely, making it useless for checking any kind of academic text, where long sentences are common.

It also wouldn’t accept texts longer than 900 characters (450 if you don’t sign up), meaning we had to check the two paragraphs of our text separately. On the whole, we found the Ginger tool to be exceptionally poor and impractical.

• Only fixed 3 out of 20 errors
• Auto-inputs corrections
• Sign-up needed for 450+ characters, premium for 900+
• Refuses to correct sentences of 350+ characters at all!
• Interface is very cluttered

To compare the capabilities of different grammar checkers objectively, we used the same text for all tests and applied the same criteria to our assessment of the results.

Text used for testing

To test each grammar checker, we used the same 160-word text, shown below. It contains 20 grammatical, spelling, word choice, or punctuation errors. You can see a description of each error by mousing over them in the text.

Speech, languge , and voice disorders such as apraxia, aphasia, and spasmodic dysphonia, effect the vocal cords, nerves, muscles, and brain structures and this results in to distorted language reception or the speech production. The symptom’s vary from adding superfluous words and taking pauses to hoarseness of the voice, depending on the type of disorder, however, speech distortions may also occurs as a result of a disease that seems unrelated to speech – such as multiple sclerosis (which limits the sufferers articulatory movements and respiratory functions) or chronic obstructive pulmonary disease (which limits they’re respiratory functions.

This study aim to determine which acoustic parameters are suitable for the automatic detection of exacerbations in patient suffering from chronic obstructive pulmonary disease (COPD) by investigating which aspects of speech differ between C.O.P.D patients and a healthy speakers and which aspects differ between COPD patients in exacerbation and stable COPD patients. Participants in the study were 40-70 years-old . And did not smoke.

Assessment criteria

We pasted the text above into each of the grammar checkers and assessed how effectively they were able to correct the errors. Each checker received a score out of 20 based on the following rules:

• +1 point for each mistake that was corrected
• −1 point for each new mistake introduced

For example, if the tool “fixed” an existing error but introduced a new error in the process, it would gain no points for that error. If it introduced an error without fixing the existing one, it would lose a point.

The usability of each tool was assessed qualitatively based on factors like how quickly the errors could be corrected, whether a sign-up was required, how clear and user-friendly the interface was, and whether the tool could check the entire text at once.

Our research indicates that the best free grammar checker available online is the Scribbr grammar checker .

We tested 10 of the most popular checkers with the same sample text (containing 20 grammatical errors) and found that Scribbr easily outperformed the competition, scoring 18 out of 20, a drastic improvement over the second-place score of 13 out of 20.

It even appeared to outperform the premium versions of other grammar checkers, despite being entirely free.

Good grammar is the key to expressing yourself clearly and fluently, especially in professional communication and academic writing . Word processors, browsers, and email programs typically have built-in grammar checkers , but they’re quite limited in the kinds of problems they can fix.

If you want to go beyond detecting basic spelling errors, there are many online grammar checkers with more advanced functionality. They can often detect issues with punctuation , word choice, and sentence structure that more basic tools would miss.

Not all of these tools are reliable, though. You can check out our research into the best free grammar checkers to explore the options. You can also read our Grammarly review to learn more about how popular grammar checkers perform.

A grammar checker is a tool designed to automatically check your text for spelling errors, grammatical issues, punctuation mistakes , and problems with sentence structure . You can check out our analysis of the best free grammar checkers to learn more or try the Scribbr Grammar Checker .

A paraphrasing tool edits your text more actively, changing things whether they were grammatically incorrect or not. It can paraphrase your sentences to make them more concise and readable or for other purposes. You can check out our analysis of the best paraphrasing tools to learn more.

Some tools available online combine both functions. Others, such as QuillBot , have separate grammar checker and paraphrasing tools. Be aware of what exactly the tool you’re using does to avoid introducing unwanted changes.

Cite this Scribbr article

If you want to cite this source, you can copy and paste the citation or click the “Cite this Scribbr article” button to automatically add the citation to our free Citation Generator.

Caulfield, J. (2024, July 11). 10 Best Free Grammar Checkers | Tested & Reviewed. Scribbr. Retrieved August 28, 2024, from https://www.scribbr.com/language-rules/best-grammar-checker/

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6 Best Grammar Checker Tools for Researchers

Grammar is the essence of language! With people adopting newer slangs to communicate and get closer to the rest of the world, the correct usage of grammar is being affected to an extent where researchers struggle to write effective academic content. Since, academic writing forms the basis of knowledge dissemination, it is imperative for researchers to formulate grammatically correct academic writing. To make this process easier, quicker, and error-free, there are several AI-based online grammar checker tools available. While there are over hundreds of such tools available online, it is crucial for researchers to use best grammar checker tools for testing scientific English.

In this article, we’ll take a closer look at features and specifications of 6 most popular language enhancement and grammar checking tools available online and how to use them to improve the quality of your manuscripts.

Importance of Using Best Grammar Checker Tools

Most academic writing is objective, accurate, and structured. They also use a formal tone. Hence, using an online grammar checker tool to assess your grammar and spelling for submission to an academic journal, makes it easy to meet specific requirements for final publication. Therefore, there is a growing need for inspection tools that help enforce requirements such as appropriate language and improved grammar for each field of study, as well as academic journal style guides and word count limits. Furthermore, online grammar checker tools must provide accurate help with academic English writing, technical terminology, scientific expression, and publication readiness.

6 of the Best Grammar Checker Tools for Researchers

Recently, several online grammar checker tools have been launched to address advanced features for enhancing your manuscript. Here we will discuss 6 best language enhancement tools for academic and technical writing for authors:

1. Trinka AI

Trinka AI is the world’s first grammar and language enhancement tool tailored for writing academic and technical papers. It was created with the intention of improving manuscripts for academic English usage and technical vocabulary and making them publication-ready. In addition, it stands out by working with authors and ensuring holistic language improvement beyond grammar and spelling checks . It adheres to academic style guides while suggesting corrections in your manuscript. Furthermore, it has custom-built features such as maintain academic tone, providing unbiased language, concept clarity, sentence structure, alternative word choice. It provides detailed explanations as to why is a correction suggested. Furthermore, it helps researchers in reducing word count by suggesting alternatives without changing the context of the matter. More importantly, it allows you to choose between the US and the UK style to make it easily accessible for researchers all over the world.

Developed by a team of linguists, engineers, and data scientists its acts as a writing assistant to support all kinds of people in all kinds of communication, from academics to everyday conversations.

2. Grammarly

Grammarly is a popular online grammar checking tool that can be used with Google Chrome, Firefox, and Microsoft Edge browsers. This is used to check grammar and spelling errors. There is an indicator in the lower right corner of the writing area, on clicking the indicator, it displays the number of errors and suggestions.

One downside of Grammarly is that you have to switch to a text editor for proofing. Also, Grammarly can be upgraded to the paid version, Grammarly Premium, which is a service that detects plagiarism and provides citation suggestions. The free version of Grammarly gives you access to only basic features.

Ginger is another handy spelling and grammar checking online tool to improve your writing skills. It can be used on-board in the browser and provides a great user experience. Furthermore, it displays a small icon in the lower right corner of the WordPress post editor, compose area, including Gmail, Facebook, and more. It highlights detected errors as you type. This helps in tracking them easily. However, Ginger has several drawbacks, one of which is the need to switch from WordPress to a text editor. The hassle of having to start the Ginger editor separately by clicking on the icon for better proofing is time-consuming.

4. Hemingway

Hemingway is available as a web-based text editor, so it doesn’t work directly within the WordPress post editor. However, you can use a free web-based editor to check your articles for readability, grammar, and spelling errors.

You can think of Hemingway as a style checker, not just a grammar checker. This is because it is a tool that helps you improve readability by displaying your text’s readability score and suggesting improvements. Hemingway is available through a paid desktop application for Windows and Mac and can be published directly from WordPress.

5. ProWriting Aid

ProWriting Aid is a premium writing editor and grammar checker designed specifically for science bloggers, content writers, etc. This tool allows users to find and to correct grammatical and linguistic errors in an automated way.

Currently, this tool work on both Windows and Mac, and is also compatible with writing software such as Google Docs and Scrivener. As mentioned earlier, ProWriting Aid can be used for a variety of writing purposes, but it is the field of fiction writing that it really shines in.

Typely is a completely free spell checking tool that requires no sign-up. An online tool that is easy to use and provides the ability to effectively perform grammar and spell check to help you write in a professional way. It provides a report generation function. Additionally, it provides a service for simple language check through a functional design.

Exclusive Strengths of 6 Best Online Grammar Checker Tools

• Trinka AI – As the world’s first AI-based grammar and language improvement tool, it is the most suitable tool for writing thesis and academic writing.
• Grammarly – You can check grammar and spelling errors when writing a post by installing it in your browser.
• Ginger – A simple way to check grammar and spelling.
• Hemingway – Not just a grammar checker, but a style checker. A tool that can improve readability, especially for novelists.
• ProWriting Aid – Useful for all types of writers, entrepreneurs, and bloggers. It’s a helpful tool for fictional writers and novelists.
• Typely – A simple grammar and spell check tool that is completely free to use.

Have you ever used any of these online grammar checker tools before? Which is the best grammar checker tool you’ve ever used? Which are the features that must be included in such online language enhancement tools? Let us know if this article helped you find your go-to grammar checker tool in the comments section below! You can also visit our  Q&A forum  for frequently asked questions related to different aspects of research writing and publishing answered by our team that comprises subject-matter experts, eminent researchers, and publication experts.

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