This article covers 16 Best Online Grammar Checker Tools in 2021 (Free & Paid) that can be used for English writing enhancement.

You can skip this read and straightaway jump to the recommendation section for the number One Grammar Checker Software.

Proper grammar and punctuation are considered the basics of writing.

Properly written articles increase the trust of your readers. Your articles should be grammatically correct. These articles turn your readers into your patrons.

best online grammar checker tools

And on the flip side, a poorly written article will turn away your readers. It will cause a dent in your reader’s trust. You will have difficulty in building credibility amongst your readers. If you have a website, be sure not to make grammatical and punctuation errors. Studies have shown that it drives away your customers. There can be an unexpected increase in bounce rates.

what customers hate about your brand

Image Courtsey: Infogram (image)

In a study on “what can damage your brand in social media”, 42.5% of respondents said that “poor spelling and grammar” would influence them the most.

I have done extensive research on the best grammar tools that are available.

By the time your finish reading this article, you will have an excellent knowledge of the Grammar and punctuation tools available.

You can make an informed decision on what tools or software is the best fit for your business.

What are Grammar Checker tools?

Grammar checker tools are programs or software that help in correcting our grammatical errors, punctuation errors, and other style and tone errors that might be there in our articles, emails, or posts.

Why do we need Grammar checker tools?

Who doesn’t want to sound professional and smart? Everyone wants to post or send texts and emails with correct grammar and punctuation, and not to ignore, its tone.

With the use of a grammar checker tool, your content will sound more professional. You can minimize errors to almost zero.

A well written, error-free article will increase your viewers’ confidence in you. They will trust more in you and your writings. Many applications and web browser extensions are out there that can check your grammar. They also give you suggestions to make corrections. All these, with just a click of your mouse.

I list some of the best ones down below for your help and understanding.

1. Grammarly

Grammarly is the best online grammar checker tool available. I have been using it for many years now and I am very satisfied with its easy-to-use interface and functionality.

They released its first software in 2009. It is used by over 30 million users worldwide daily for clear and effective writing.

Grammarly’s AI-powered engine lets you write clear, mistake-free writing with proper style and tone.

This tool is available as both a web browser extension and an application. It helps in correcting grammar, punctuation, tone and style, and many other things that are considered important while writing. It automatically detects any plagiarism and gives you suggestions which it checks from over 16 million web pages.

Grammarly | Find the Words

Grammarly Key Features

  • This tool is available online for free but if you want more than just basic services, you can upgrade to premium. It has different premium plans. You can get it for $29.95 per month.
  • Grammarly premium provides plagiarism checking services.
  • It is AI-powered. It gives you suggestions as you write.
  • Identifies the tone of your sentences.
  • Helps you in choosing better word alternatives.
  • You can use it for all your sites—LinkedIn, Gmail, Google Docs, etc.
  • Can be used as a Grammarly keyboard for Android and iOS.
  • Supported by Google Chrome, Safari, Firefox, and Microsoft Edge.

Grammarly Pricing and Plans

Free Plan

Includes features that would be good for basic writing. You can make grammar, punctuation, and spelling corrections for free. You can also judge the tone of your writing.

Premium Plan

Premium plan includes the features of the Free plan with some advanced features embedded in this plan. It can help you with your tone adjustments and plagiarism detection. It can help you fix inconsistencies in spelling and punctuation. You can write with much clarity. Starts at $11.66 per month.

Business Plan

Business Plan includes all the features of the free and premium plan, but with better user management and control. Best suited for teams of 3 to 149. It has centralized billing and priority email support. Single-sign on for team size of 50+. Starts at $12.50 / member / month.

grammarly pricing plans

2. LanguageTool

LanguageTool makes it to the list of the Best Online Grammar Checker Tools in 2021. LanguageTool was started in the year 2003. Language Tool is a proofreading tool that is available online free of cost for basic users. It is available as both browser extensions and applications.

LanguageTool has advanced grammar checking and correction functionality. It checks grammar, punctuation, style, salutations, IBAN and ISBN correction.

Your text can sound professional. This will save you from making grammar mistakes by correcting your speech, spelling, and punctuation marks. You can improve your style and tone. LanguagueTool works with multiple languages including Dutch, English, German, Italian, Persian, Tamil, and many more.

LanguageTool Key Features

  • This tool supports 25+ languages.
  • Generates context-aware suggestions.
  • It has AI-based technology.
  • LanguageTool can be used as office Add-ins for Google Docs, Apache, OpenOffice, LibreOffice, and Microsoft Word.
  • Used as a Browser Add-on for Chrome, Microsoft Edge, Opera, and Mozilla Firefox.

LanguageTool Pricing and Plans

For Beginners

It is free for beginners. The AI-powered algorithm does basic grammar, punctuation, spelling, and style checks. It supports up to 10,000 characters per text.

For Individual Users

This plan is perfect for anyone who wants to improve their writing skills. It gives smart suggestions to improve style and tone. It detects the usage of incorrect names and salutations. The plan is priced at $4.92 per month.

For Teams

The plans work best for small teams of up to 20 members. It is bundled with all the premium features like advanced grammar, spellcheck, and punctuation. The User Management feature is an add-on that lets you invite your team members by email and manage them. For two users it is priced at $8.85 per month.

languagetool pricing and plans 1

3. Webspellchecker

The WebSpellChecker is free as well as a paid writing enhancement solution for individuals and businesses that make it to the list of the Best Online Grammar Checker Tools in 2021. It is one of the best B2B Writing Enhancement Software.

WebSpellChecker integrates with all editors like Quill, TinyMCE, Froala Editor, and as a browser extension. This could be your ultimate proofreading tool.

There are 17 default languages along with over 150 languages that it can proofread in.  It integrates with a web app and works with rich text editors like CKEditor, Froala Editor, ProseMirror, Trix, TinyMCE, Quill, and many more.  This is the best grammar checking tool that is universally accessible. Browser extensions can be added for this tool.

WebSpellChecker Key Features

  • Powerful proofreading engine.
  • It supports 160+ languages.
  • Support for medical and legal dictionaries.
  • The dictionary contains modern terms and buzzwords to make you sound relevant.
  • Has relevant and latest words in their dictionaries.
  • It is supported by Safari, Chrome, and Firefox, MS Edge, and Internet Explorer 11.
  • Plugins are available for WordPress and Slack.
  • Hosted on Cloud or on Server.
  • It helps you sound more professional and also has a premium membership for $14.42 per month.

WebSpellChecker Pricing and Plans

Free Plan

• Users can create their Personal User Dictionaries but this is not saved on the cloud.
• Checks up to 50 words per day on one Website.

Paid Plan

  • Users can create their Personal User Dictionaries which get saved on the cloud and can be accessed from anywhere.
  • Checks up to 200 million words per year for a total of 5 websites.
  • Option to use medical and legal dictionaries besides the default list of languages.
  • An additional fee of $14 per annum for Medical dictionary and $9 per annum for Legal dictionary.
Webspellchecker Pricing and Plans

4. GrammarCheck is an online grammar tool. This is completely free to use. It is one of the best online tools for correcting grammatical and punctuation errors and sentence fragments. It also gives you suggestions with some examples. is a free to use English writing tool with plenty of articles on grammar.

While you make your sentences correct using this tool, it helps you recall and re-learn the grammar rules along the way.

GrammarCheck Key Features

  • Web-hosted tool which is free to use.
  • Active and passive voice checker.
  • It also has a deep check option which helps in deeply analyzing the sentences and paragraphs and checking all the grammatical errors.
  • The website has well-written, easy-to-read articles that cover the basics of grammar and English writing.

GrammarCheck Pricing and Plans

Free Plan

GrammarCheck is one of the best English writing enhancement tools that are free to use that has made its place in the list of the 16 Best Online Grammar Checker Tools in 2021 (Free & Paid).

16 best online grammar checker tools

5. Ginger

Ginger is one of the 16 Best Online Grammar Checker Tools that not only does the work of correcting grammatical and punctuation errors automatically but also helps in finding synonyms of words while you type.

Ginger’s grammar tool improves your English writing productivity by correcting all types of grammatical mistakes.

Ginger gives you suggestions for misused words, contextual spelling, or subject-verb agreement. Additional features are included like sentence repharaser, translation, synonyms, and definition. This is the best tool for precise writing.

Ginger Software | What are Metaphors?

Ginger Key Features

  • Ginger works with 50+ languages.
  • It provides free services to certain characters after that you need a premium membership starting from $14.98 per month which helps you in advanced level writing.
  • It has a browser extension as well as an application.
  • It supports all the popular browsers – Microsoft Edge, Chrome, Safari, Firefox.
  • Ginger API lets you integrate this software into your applications.
  • Ginger also has the option of translating to over 40 languages.
  • Software reads back your written text.
  • It supports MS Office, Gmail, LinkedIn, Twitter, Facebook, and many other online platforms.

Ginger Pricing and Plans

Free Plan

Includes features that would be good for basic writing. You can make grammar, punctuation, and spelling corrections for free. You can also judge the tone of your writing.

Premium Plan

For business and commercial use, the pricing starts at $14.98 per month.

ginger pricing and plans

6. Hemingway Editor

Hemingway Editor is one of the 16 Best Online Grammar Checker Tools that can be used by adding it as a browser extension.

The company has released a new Hemingway Editor 3 for Mac and PC. This works on standalone devices.

Hemingway App makes your English writing easy, crisp and clear. It helps you improve the readability score.

Hemingway Editor Key Features

  • Hemingway Editor checks fluency and also tells you about the active passive voice that can be corrected.
  • It tells you about which sentences are hard to read and also rates the readability of your text, all these using simple color codes.
  • Hemingway Editor uses different colors to identify each correction, light blue represents weak words and green represents a passive voice.
  • Publish your content directly to WordPress and Medium with just a click.

Hemingway Editor Pricing and Plans

Free Plan

Hemingway Editor is an English enhancement tool that you can use for free. It has all the features that the downloadable version has.

Paid Plan

Hemingway Editor 3 is installed on standalone Windows PC and Mac. This makes your editing task too easy. It integrates with your WordPress or Medium account for faster correction and upload. This comes with a one-time fee of $19.99.

hemingway editor pricing plans

7. Scribens

Scribens is one of the best English Enhancement program used by over 2 million people regularly worldwide. It has a free as well as a paid version. The unique algorithm helps in checking grammatical errors, styles, formatting, punctuation, spellings, voice, readability in your text.

Scribens has made it to the list of the 16 Best Online Grammar Checker Tools in 2021 (Free & Paid).

Scribens is a powerful English grammar checker with the capability to correct 10X more mistakes than Microsoft Word.

It helps reduce the number of repetitive phrases. Enhances vocabulary with an in-built dictionary. It has a quite simple interface.

Scribens Key Features

  • Scribens doesn’t have a word limit on the characters that can be analyzed or edited.
  • Suggests 10x more corrections than MS word.
  • Detects redundancies, repetitions and suggests synonyms.
  • It supports only one language.
  • Scribens offers extensions for Google Chrome, Firefox and Safari, and many more.
  • It also supports platforms like Microsoft Word, Gmail, Outlook, and Excel.
  • Scribens also shows the word count and the number of paragraphs and sentences written.

Scribens Pricing and Plans

Free Plan

With free Edition, you get all the features you will ever need as a writer. It suggests grammar and style corrections. It explains grammar rules.

Premium Plan

Premium version integrates with all your favorite applications like—MS Word, PowerPoint, Excel, Outlook, OpenOffice, or LibreOffice.

Integrates with any browser to make you write grammatically correct sentences on Gmail, Yahoo, Hotmail, Facebook, LinkedIn, Twitter, forums, blogs, etc.

It secures data transfer with SSL encryption. The premium plan starts from €9.90 per month.

Scribens Pricing and Plans

8. WhiteSmoke

WhiteSmoke is the world’s leading proofreading and grammar tool. It helps in correcting grammatical and punctuation errors and other mistakes related to the writing style and tone. Educational institutes all over the world have rated WhiteSmoke the greatest grammar tool.

White Smoke was launched in 2017. We found it to be the Best Online Grammar Checker Tools in 2021.

WhiteSmoke checks and corrects plagiarism, grammar, punctuation, spelling, and style with error explanations

WhiteSmoke Key Features

  • WhiteSmoke integrates with MS Word and Outlook.
  • It offers a Plagiarism checker as well.
  • WhiteSmoke supports 50+ Languages.
  • It offers a free trial and has a premium membership starting at $4.16 per month.
  • WhiteSmoke offers a browser extension as well as an application.
  • Works on all browsers — Google Chrome, Firefox, Opera, Internet Explorer, Safari.
  • Translates documents from one language to another.
  • Word suggestions according to your tone and writing style.
  • Uses Natural Processing Technology and patented Artificial Intelligence.

WhiteSmoke Pricing and Plans

Free Plan

The free plan is the best fit for a beginner. It does all the grammatical corrections for you. It detects incomplete sentences, double negatives, incorrect punctuation, missing words, fused sentences, and a lot more.

Premium Plan

The premium plan starts with $5 per month. All the important features like grammar checker, plagiarism checker, and translator are embedded in it. The business solution is at $11.50 per month. This supports all browsers and integrates with Windows, Mac, and all writing platforms you can think of.

whitesmoke pricing and plans

9. After the Deadline

After the Deadline is a grammar tool that corrects your spellings, grammar, and style of writing. It has a separate style checker for passive voices and complex phrases. After the Deadline is a free online grammar tool and it is one of the Best Online Grammar Checker Tools. It is feature-rich and does not show any annoying pop-up ads.

After the Deadline is an Open Source artificial intelligence and natural language processing tool to check English writing for free.

After the Deadline Key Features

  • After the Deadline uses Artificial Intelligence and Natural Language Processing technology.
  • This tool is available on the internet for free of cost.
  • It can be used as an extension or installed on servers.
  • After the Deadline is supported by different platforms like Google Chrome, Firefox, Open Office, WordPress, Windows Live Writer, etc.
  • It is available as a plugin for supported web applications.
  • After the Deadline is available for English, French, German, Portuguese, and Spanish languages.

After the Deadline Pricing and Plans

Free Plan

After the Deadline is free to use. It can be added to the browser as an extension or the source code can be embedded in an application for use.

10. ProWritingAid

ProWritingAid is one of the best grammar tools. It is feature-rich. The inbuilt AI does a deep analysis of your text. 20 in-depth writing reports include elements like style, overused words, clichés, alliterations, plagiarism, repeats, passive voice, complicated sentence formation, and much more. This not only lets you eliminate annoying errors but also find the right words.

ProWritingAid can be your writing mentor as it does grammar checking, style editing, give suggestions, and generates in-depth reports.

It makes writing enjoyable. The explanations, suggestions, quizzes, and videos are very nicely embedded in the program. This helps you learn the skills as you write along.

Proper grammar in writing is important to develop skills and capability. It helps you improve the readability of your text.

Security and Privacy are at its core. 256-bit SSL Encryption is used for better security. It is GDPR Compliant.

This tool is available as both a web browser extension and an application. It helps in correcting grammar, punctuation, tone and style, and many other things that are considered important while writing. It automatically detects any plagiarism and gives you suggestions which it checks from over 16 million web pages.

ProWritingAid Key Features

  • ProWritingAid is used by over a million users worldwide to improve their writing.
  • ProWritingAid is a free tool but the free version can only edit 500 words at a time and there are other paid plans like $63 per year which does not have a word limit.
  • The free version can be used only while using the internet but the paid version supports MS Word, Google Docs, and Chrome. It also offers a plagiarism checker with the paid plan.
  • It is available via web browser extensions on both Windows and Mac.
  • It creates a separate report for each and everything like for sentence length, repeated words, and phrases.
  • ProWritingAid is available only in the English language.

ProWritingAid Pricing and Plans

Free Plan

The free version of ProWritingAid can only edit 500 words at a time. Can be used as a browser extension.

Premium Plan

ProWritingAid can be downloaded to work with all the applications on a computer. It works with all browsers, online editing tools, and social media applications. It is one of the Best Online Grammar Checker Tools. Easy integration with MS Word, Outlook, Scrivener, Open Office, Google Docs, and Final Draft makes the process of writing easy.

The premium plan starts at $20 per month. The yearly subscription is at $63 and lifetime access is for a one-time payment of $319.

ProWritingAid Pricing and Plans

11. Linguix

Linguix is an Artificial Intelligence-based grammar tool that helps in improving your writing. It corrects spelling, grammatical and punctuation errors while you write. The tool keeps track of your progress and generates a report.

Linguix’s AI tool skims over 2000 context-based rules and over 1700 patterns to make your writing error-free and grammatically perfect.

Linguix Key Features

  • The free version provides only basic grammar and spelling checks but the premium plan which starts at $8 per month provides unlimited grammar, punctuation, and tone and style corrections.
  • A browser extension for Linguix is available on Google Chrome, Firefox, and Microsoft Edge.
  • Linguix is available in 10+ languages.
  • It has a special business model called Linguix business which can be used for businesses for their texts, emails, and websites, etc.
  • Snippets—A unique feature that saves you plenty of time that you spend on repetitive writing tasks. If you are a business user, the savings can go upwards of $10,000 per annum.

Linquix Pricing and Plans

Free Plan

The free plan provides basic grammar and spelling checks which are good for beginners.

Premium Plan

The monthly plan starts at $18.95 which can come down to $8 per month if paid for a year. This integrates with all web browsers and online editing tools. Its AI-powered engine checks grammar and punctuation errors in real-time. Snippets and suggestions save plenty of time while you write.

Business Plan

Linguix Business Plan starts at $10 per user per month. Linguix is a top-rated Business Writing Assistant that includes all premium features of the software. Interface for centralized management of all accounts, with centralized billing and integration.

linguix pricing and plans

12. Grammar Slammer

Grammar Slammer is a grammar tool that corrects the grammatical and spelling errors in a text. It modifies words and phrases according to the tone and content. It gives an explanation of the mistakes and errors in writing. The website has some beautiful content on grammar rules on which time spent reading is worth every second.

Grammar Slammer is one of the Best Online Grammar Checker Tools in 2021.

Grammar Slammer is a simple yet powerful tool for your English writing.

Grammar Slammer Key Features

  • Grammar Slammer is a paid grammar tool with a 21-day free trial.
  • The paid membership starts at $25 and keeps on increasing with the plans.
  • There are various plans like Grammar Slammer, Grammar Slammer Deluxe, and Grammer Slammer Deluxe with Checkers.
  • It supports Windows, Linux, and Mac.
  • It has a web browser extension available.
  • It integrates with various word processors like MS Word, Star Office, Word Pro, etc.

Grammar Slammer Pricing and Plans

Free Plan

The free plan lasts only for a limited period. The company has released a demo that can be installed on personal devices.

Premium Plans

There are three plans:-

Grammar Slammer costs $25. It provides grammar help only and no checkers.

Grammar Slammer Deluxe is priced at $39. It has grammar and spelling help only and no checkers.

Grammar Slammer Deluxe with Checkers costs $49. It is complete with grammar and spelling help and checkers.

13. Online Correction

Online Correction is a free grammar tool which like any other tool corrects grammatical errors. It is great for writers who are just starting their careers and are yet to figure out their style of writing. is a free tool with a simple interface for new writers.

OnlineCorrection Key Features

  • It offers various dialects of the English language like American English, British English, Australian English, New Zealand English, South African English.
  • Online corrector displays all the mistakes.
  • It has a special feature called autocorrect which improves or corrects the text automatically.

OnlineCorrection Pricing and Plans

Free Plan

Online Correction has no paid plans. It is free to use. But it accepts donations in case you are happy with their product and wish to support them financially.

14. Reverso

Reverso is a grammar tool that not only corrects grammatical and punctuation errors but translated text from one language to another.

Reverso Speller is an online grammar tool. It checks irregular verbs, adjectives and adverbs, conditional clauses, synonyms, and shows recommendations.

Reverso Key Features

  • It has both web browser extensions and applications available.
  • Helps in easily translating into different languages like French, Portuguese, Spanish, and many more.
  • Reverso’s browser extensions are available for Google Chrome, Firefox, Safari, etc.
  • Helps the user in expanding their vocabulary not just in one language but many.
  • It can be accessed offline.
  • Reverso is a free grammar and translation tool.

Reverso Pricing and Plans

Free Plan

Reverso is free to use. It lets you translate, spellcheck, and conjugate in one click.

15. SpellCheckPlus

SpellCheckPlus is an online grammar tool that corrects grammar and spelling errors. It is suitable for people interested in writing. There are both versions available–a free version and a paid version as well.

SpellCheckPlus has features packed for beginners as well as advanced users. It teaches you along the way and it also generates a detailed report on your writing.

SpellCheckPlus Key Features

  • Beginners can use the free version which offers basic spelling and grammar checks. When you feel that, you need the upgraded version you can subscribe to the premium membership which starts at $14.99 per year.
  • It provides a proper explanation for every mistake.
  • It has a full-screen editor which gives you more space to edit the text.
  • SpellCheckPlus can be used with MS Word, OpenOffice.
  • It provides SpellCheckPlus Pro members with a summary of mistakes in their text which can be used for further analysis and improvement.

SpellCheckPlus Pricing and Plans

Free Plan

SpellCheckPlus is free to use for everyone. It is good for writers who are just starting. It identifies common grammatical problems and spelling errors.

Paid Plan

SpellCheckPlus Pro is an upgraded version of SpellCheckPlus. SpellCheckPlus Pro has a resizable editor with no advertising. It generates a summary of errors. The plan will cost you $14.99 only.

16. AutoCrit

If you are a book writer, be it fiction or non-fiction, look no beyond AutoCrit. It is powered by the world’s best software capability and fed with data of over a million books. The dynamic search gives you suggestions based on this data. It lets you compare your writing with the world’s best fiction and non-fiction books.

AutoCrit is specifically designed for authors, who want to bring efficiency in their work, without sacrificing clarity, readability, and coherence.

You can access AutoCrit anytime from an internet-enabled device. The recommendations made by the software let you improve your writing for over 20 different areas. Your dialogue writing ability can improve immensely with its auto-suggestion feature. You can save yourself from excess uses of adverbs.

Pacing and Momentum review feature suggests you trim long paragraphs to improve clarity. You can remove and edit boring and lengthy sentences.

AutoCrit Live Product Demo

AutoCrit Key Features

  • Best writing tool for book authors.
  • Data of over a million fiction and non-fiction books fed into the system.
  • Writing gets cross-checked with this data pool.
  • Suggestions for lengthy and boring sentences.
  • Pacing and momentum review feature to trim lengthy paragraphs to make it more reader-friendly.
  • Generates a summary report which suggests improvement areas.
  • Suggestions to remove repeated phrases and words, filler words, and excessive use of adverbs.
  • Word-by-word analysis to make your writing crisp and clear.

AutoCrit Pricing and Plans

Free Plan

The free plan includes some advanced features like a grammar and spelling checker, no editing limits, suggestions for excessive adverb usage, repetition of words and phrases. It improves the readability of your writing. You can secure your manuscripts online.

Paid Plans

Professional Suite comes for $30 a month. It is the most powerful English writing enhancement tool available for writers. You get access to the summary report which outlines your strengths and weaknesses and highlights improvement areas. It helps you to improve on unnecessary fillers, adverbs, repetitions, tenses, tone, and style of your writing.

The Annual Professional plan is for $297 a year. You get two months free every year. You get all the features of a free and professional plan plus access to courses for dialogue writing and repetition elimination.

autocrit pricing and plans

A Definitive Guide on How to Choose the Right Grammar Checker Software

We have covered many software tools here that are the best in the market. But before concluding on what tool to buy you should rethink these points.

1. What kind of heavy tasking as you going to do with this tool? If you are an avid writer and have to write big articles, then definitely you should go for a paid tool. A good paid tool is AI-driven and intelligent. It makes your writing easy.

2. Are you a business user? If you are into any kind of business and have to send out many emails or correspondences in a day, your writings should be perfect. It gives a first-hand impression of your personality. For business users, I would suggest investing some money in a good English Writing Enhancement software. This will make your writing crisp and clear without any ambiguity.

3. Do you outsource your work? If you get your writing outsourced to a vendor, you can still be a bit relaxed, as they take up the load. These outsourced writers use writing software for they do not want any mistakes to creep in.

But a word of caution, before uploading their work to an online platform, it is better you do a quick check of their work for spelling mistakes and grammatical errors. To do this you would need some advanced writing tool.

4. Take a trial before you make a final purchase. It is also advisable to take a trial of these software programs before you decide to buy them. The trial period lasts for somewhere from 7 days to a month.

5. Integration of the software. If you have a big team size or if you use different programs for your writing, you should choose software that can integrate with any online or offline writing programs. It should be compatible with all the web browsers and online platforms that you use like–Microsoft Edge, Firefox, Chrome, Safari, Opera, Gmail, Yahoo, Facebook, Twitter, Google Docs, etc.

6. Security of your Data. How much importance do you give to your data security? If you are concerned about your data security, you should go for a paid plan. Some Writing programs offer 256-bit SSL Encryption. Your data is secure with them. Depending on your security needs you can decide on whether you should go with their cloud offering or on-premise solutions.


Which English writing tool is the best?

As stated above, according to my personal opinion Grammarly is the best one as it is easy to use and can be used across all platforms. It is the best AI-powered English enhancement software. It has some unique features like—tone adjustments, formality level, fluency, plagiarism detection, style guide, etc.

How to choose the perfect grammar tool?

By developing your style and testing out what works best for you. It all depends on the level you are at. You could be a beginner or an intermediate user or an advanced user. If you a beginner, you can give free versions a try.

Is grammar checker safe to use?

There are many grammar checker software that comes with SSL Encryption. These softwares are safe. You also have an option to use their cloud services or host the software on-premise. These companies are very strict with the data privacy policies.

Is Grammarly a reliable grammar checker?

Grammarly has been around for quite some time now. It has been accepted and recognized by the writer community worldwide. It is AI-driven and feature-rich. It offers free and premium plans.

What is a good free grammar checker?

grammarly tool

Grammarly has a free version which is perfect for a writer. Almost all Software Enhancement tools are free for beginners. However, for advanced features, you will have to shell out some money. Hemingway Editor, Reverso, and OnlineCorrection are some good English grammar checker tools that are completely free to use.

How to add Grammarly as a browser extension?

Total Time: 2 minutes

Google for Grammarly Chrome Extension.

grammarly browser

Make Google Search for Grammarly Chrome Extension.

to Grammarly

grammarly sign in

Use your personal Email ID and Password to sign up on Grammarly.

Download Grammarly Extension.

grammarly chrome

Grammarly Extension downloads on your local device. Click on Add to Chrome as shown by the arrow.

Add “Grammarly for Chrome.”

add grammarly to chrome

You get a Pop-Up to Add “Grammarly for Chrome”. Just click on Add Extension and you are done. Grammarly gets added as chrome extension.

Grammarly is Active

grammarly active on chrome

Lastly, you can see Grammarly for Chrome becoming active. That’s it. You are good to go. You will have to follow the same procedure to install a software from these 16 Best Online Grammar Checker Tools as your browser extension.


As we read above, there are many grammar tools available online but we highlight here only the best ones. Every person at some point requires a grammar tool to write a perfect text or a professional email or at the least to post something on the internet.

The induction of auto-correct feature in our word processors has led us to ignore some common grammatical errors and spelling mistakes. This makes our writing sound unprofessional or idiotic.

This is where the Writing Enhancement Software comes in handy. These programs help us write with proper grammar, spelling, and punctuation.  These AI-powered tools suggest tone and style in our writings.

With a click of a button, you can check the grammar and spelling, and punctuation marks. Your writing could make you sound smart and professional.

The suggestions given by these tools help us in polishing our English Grammar. We can download most of these tools on our computers or mobile phones for free. They are easily accessible and easy to use. Their premium plans give us access to lots of additional features.

All the software that we have spoken about has all the details on their website. The details include their pricing plans and features. We do not want to influence your purchase. You can go through each of them and decide on your own on what plan suits you the best. 

Our Recommendations

After a meticulous review of a good number of English Writing Enhancement Software, we have come up with the top 4 recommendations that you should consider for purchase.

Best 4 Paid English Writing Tools


grammarly english writing tool


whitesmoke grammar tool


ProWritingAid Grammar Tool


ginger english writing tool

Best 3 Free English Writing Tools


reverso grammar tool

onlinecorrection grammar tool

After the Deadline

after the deadline grammar tool

Best English Writing Tool for Authors

If you are a prolific author or you want to be one there is no looking beyond AutoCrit. It is powered by data of over 1 million fiction and non-fiction books.


autocrit grammar tool features
Best Grammar Tools - Free and Paid
List of the Best Grammar Tools – Free & Paid

Hope you have liked the details presented in this article on 16 BEST ONLINE GRAMMAR CHECKER TOOLS in 2021.

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