Best Grammar Checker: Grammar Corrector Tools

grammar checkers

Best Grammar Checker: Grammar Corrector Tools

If you’re writing an essay, a blog post, a website landing page, or any kind of content, grammar is important. Most word processors today feature autocorrect spell checking tools, but they don’t account for grammatical errors like sentence structure, syntax issues, comma placement, and more. 

Grammatical rules can be complex, and painstakingly editing your content for grammatical errors can be difficult and time consuming. Luckily, there are online grammar checkers that will read your content in seconds and provide recommendations to improve your grammar. 

Best Grammar Checking Tools

We’ve done the research and found the best grammar checking tools that will correct your essays, blog content, and any other written pieces. Check out the best grammar correctors, both free and paid options. 

These are the Best Grammar Checkers of 2020: 

      1. Grammarly
      2. Ginger Software
      3. Whitesmoke
      4. ProWritingAid
      5. Writer
      6. Hemingway Editor
      7. LanguageTool
      8. After the Deadline
      9. SpellCheckPlus 




Grammarly is one of the best known grammar check tools, and it’s one of the best and easiest to use. There is both a free and paid version of Grammarly, so you can pick what works best for your needs. You can use the Grammarly tool on their website, or connect it to the tools that you use to write, like email, word processors like Google Docs, Salesforce, and Slack, or on social media. 

Grammarly goes beyond just spelling and grammar checks, offering better word recommendations and a deeper analysis of your writing. This tool can assess the tone of your writing, whether it is professional, conversational, formal, or friendly. You can use Grammarly’s free Google Chrome extension to check your grammar on your browser. 

The paid versions of Grammarly offer even more features. The added benefits of a paid account include readability assessments and recommendations, vocabulary enhancement suggestions, genre-specific writing style checks, and a robust plagiarism checker that can assess over 16 billion webpages. Grammarly Premium can also integrate with desktop apps like Microsoft Office. 


  • Grammar checker
  • Spell check
  • Word choice recommendations
  • Tone analysis
  • Readability assessments
  • Vocabulary enhancement suggestions
  • Genre-specific writing style recommendations
  • Plagiarism checker



  • Thorough grammar checker
  • Full host of other writing tools 
  • Improves overall writing style 
  • Free version available



  • Need to manually review suggestions
  • Free version lacks most useful functions 



Grammarly is one of the best tools for checking your writing out there, and if you’re serious about improving your writing the premium version is worthwhile. 



Ginger Software

ginger software

Ginger Software is another great grammar checking tool that can help improve your writing. It can connect to platforms Gmail, Facebook, Twitter, LinkedIn, Microsoft Office, and more to help correct your writing as you type. Their free Google Chrome plugin makes it easy – and cheap – to correct your mistakes.

Ginger looks at spelling, punctuation, sentence structure, style, and more. This software helps with tedious subject-verb agreement issues, contextual spelling recommendations, and there are even more features with a premium plan. Ginger can work as a translator, dictionary, and personal trainer to improve your English.

Other useful features include a text reader that can read your writing back to you for clarity, or a sentence rephraser to help improve your sentences. With the paid plan, you get the full host of grammar tools on your desktop, Microsoft Office, Chrome, Safari, Android, and iOS. You can also get an analysis of your errors to learn what common mistakes you frequently make. 


  • Grammar checker
  • Word prediction
  • Translation in 40 languages
  • Dictionary
  • Sentence rephraser
  • Text reader
  • Personal trainer 
  • Customizable themes
  • Free chrome extension
  • Compatible with various platforms



  • Accurate grammar recommendations
  • Mobile friendly
  • Lots of extra tools 



  • Complaints that Ginger slowed down word processing tools 



Ginger Software is another great choice for checking and correcting your writing. This free grammar check tool works well, but the best features come with their affordable paid plan.





Whitesmoke is another writing tool that checks your grammar and improves your content. This proofreading tool is useful for spelling, grammar, style, structure, and more. Whitesmoke is great for students, web content creators, professional writers – anyone looking to improve their grammar and style. 

Whitesmoke has five main products: a grammar checker, spell checker, style checker, punctuation checker, and a translator. These tools are available in a desktop version or a web-based version, where you check your content on Whitesmoke’s platform. Both use AI technology to detect errors wherever you type. 

Whitesmoke’s grammar tool looks for issues like incomplete sentences, run-on sentences, subject-verb disagreement, capitalization, punctuation, fragments, and more. It offers recommendations to fix these issues to elevate your writing. 


  • Grammar checking tool
  • Punctuation checker
  • Spellcheck tool
  • Translator for over 50 languages 
  • Style checker
  • Desktop or web-based options



  • Accurate and thorough grammar check
  • Integrates with word processing tools, email, and more
  • One-click instant proofreading
  • Affordable plans



  • No synonym recommendations or improved word choice feature



Whitesmoke is a great choice for checking your grammar, especially for businesses, as they offer a very affordable business plan with 3 computer licenses. 





ProWritingAid is another great tool to improve your writing skills and edit your essays, blog content, and beyond. This tool stands out from others because it offers in-depth reports to help you learn more about your mistakes and elevate your writing. Rather than simply correcting your grammatical errors, ProWritingAid offers suggestions, articles, videos, and quizzes for a more interactive writing experience.

ProWritingAid offers suggestions to correct or improve thousands of grammatical mistakes. It fixes style issues like repetitive phrases, vague word choice, confusing sentence structure, passive voice, and much more. Your writing will flow better with recommendations from ProWritingAid.

This tool’s word explorer and contextual thesaurus will expand your vocabulary. Their recommended changes also come with long explanations about what grammatical rule you’ve broken or why your word choice was incorrect. This software integrates with MS Word, Outlook, Google Docs, Open Office, and browser extensions for all major internet browsers.


  • Grammar, spelling, and readability corrector
  • 20 in-depth writing reports
  • Style recommendations
  • In-app suggestions, explanations, videos, and quizzes
  • Word explorer
  • Contextual thesaurus
  • Integrations with various platforms
  • Customizable style guides 
  • Data visualization



  • Accurate grammar recommendations
  • Writing reports to improve your writing knowledge
  • Word explorer offers expanded vocabulary 
  • Customization allows businesses to match their tone



  • Slightly slower than competitors



ProWritingAid offers some unique features like its in-depth reports to learn more about what mistakes you make, why they’re incorrect, and how to improve. If you want to correct but also improve your writing, this is one of the best tools out there. 





Writer is a new grammar checking tool, but one that is quickly becoming popular. This writing tool is made for businesses, as its enterprise solution makes it easy for companies to share this tool with their employees. If you’re looking to improve your business’ writing and tone, Writer may be the tool for you.

With Writer, you can define your guidelines so that style and tone are consistent across the board. This keeps all of your employees on-brand and ensures that communications are streamlined in terms of word choice, spelling, and more.

Start by defining your style guide –  choosing level of formality, tone, grammar, and other factors. You can also create rules for specific words and spellings. Writer then analyzes your content and provides feedback to help your writers better meet your style guide. This is an easy tool for businesses to avoid grammatical errors while also improving upon company tone and stylized writing.


  • Robust Style Guide with customizable rules
  • Spell checker and grammar corrector
  • Set rules for specific spellings or word styles
  • Checks writing for brand voice and tone
  • Plagiarism checker
  • Provides in-line feedback for writers
  • Set company definition for workplace terminology
  • Browser extensions for Chrome, Microsoft Word, and Google Docs



  • Great for businesses
  • Accurate grammar and spell check tool
  • Keeps writing on-brand
  • Extensions provide feedback as you write



  • Not the best for individual users
  • Starter package lacks full functionality of enterprise package



Writer is a great grammar corrector for businesses and larger companies, especially those with multiple writers. Its unique style guide with rules and feedback makes it easy to keep writers on-brand. For individual users, however, this may not be the best grammar checker for your needs.



Hemingway Editor

hemingway editor

The Hemingway Editor is a free grammar app that is incredibly intuitive. You can input your pre-written text, or write directly in the editor to see recommendations as you type. There is also a paid desktop app for Windows and MacOSX, so you can use Hemingway Editor without the need for WiFi or an internet connection.

The Hemingway Editor highlights your text with different colors for different recommendations. It marks both good and bad practices, so you can see the difference. It offers word alternatives, recommends restructuring confused sentences, and marks sentences as hard to read. It also acts as a word counter and offers readability scores.

The desktop Hemingway Editor makes it easy to format and publish your content directly to WordPress and Medium, or you can export it as HTML to place it on another platform. You can also export from Hemingway to Word or other text editors, or share it with colleagues. 


  • Accurate grammar corrector
  • Readability score
  • Word counter
  • Vocabulary recommendations
  • Sentence structure recommendations 
  • Desktop editing software
  • Exports to various platforms 
  • Formatting included in editor 



  • Easy, intuitive layout
  • Formatting tools in editor
  • Integrations with various publishing and word processing tools
  • Desktop app works without WiFi 



  • Does not give direct instruction on how to fix sentences



Hemingway Editor is a useful tool for proofreading. The paid app is a flat fee of only $19.99, making it the most affordable grammar tool, but it does lack some of the advanced features of other options on this list. 





LanguageTools is a free proofreading software online, with paid plans optional for additional features. The free version allows you to check content up to 20,000 characters per check, with thousands of patterns for detecting errors in English and over 20 other languages, even detecting dialect. Simply type of copy and paste your content onto their website and proofread for free.

LanguageTool also offers a free Chrome extension so that you can check your grammar as you type on various sites on Google Chrome. This software highlights words or phrases that are incorrect, so when you click you are offered spelling options, grammar corrections, and more. 

The premium version of LanguageTool offers 40,000 characters per check and other advanced features like additional word pairs and recommendations and detection of more than 2500 additional complex errors. It also features add-ons for Microsoft Word, Google Docs, Firefox, Chrome, and more. 


  • Free browser version
  • Detects thousands of potential errors
  • Proofreads over 20 languages plus specific dialects
  • Chrome extension
  • Highlights errors and offers recommendations
  • Word choice recommendations 
  • Integrates with MS Word, Google Drive, Firefox, Chrome, and more
  • Desktop version for offline use



  • Checks over 20 languages and area specific dialects 
  • Accurately correct grammatical issues 
  • Integrations
  • Offline use with desktop version



  • Lacks some of the functionality of competitors 



LanguageTool is a great choice for those in need of basic grammatical editing, and it has good additional features like an offline version, languages, and integrations. It lacks some of the advanced analysis of other tools, however. 



After the Deadline 

after the deadline

After the Deadline is a grammar checker that can help you avoid spelling errors, grammar mistakes, and can even improve your writing style. This free grammar checker will make sure that your content is error free, detecting grammar errors, punctuation errors, and offering more advice for free online.

After the Deadline has an open source technology that uses artificial intelligence and natural language processing to detect grammar and spelling errors and other mistakes. This grammar checker tool is free, but still has the key features you need to edit your essays, web content, and more. 

After the Deadline is easy to use on WordPress and is also available as a plugin or add-on for various online platforms. This free grammar checker performs contextual spelling checks, so it can detect misused words. It offers advanced solutions to English grammar and punctuation mistakes, following all common grammar rules at no cost per month. 


  • Contextual spell checking
  • Advanced style checking
  • Intelligent grammar checker
  • Open source code
  • Compatible with WordPress
  • Free server software for commercial use



  • Free
  • Thoroughly checks grammar, spelling, etc.
  • Easy to use 



  • Less accurate than other tools 



After the Deadline is a solid free solution, but it lacks some of the more advanced key features that other grammar checkers include. 





SpellCheckPlus is another affordable grammar checker, especially for those struggling with English grammar. If English isn’t your first language, SpellCheckPlus is a good way to check your writing for errors. This tool is easy to use and helps you make sure that your writing is error free. 

SpellCheckPlus is another free online grammar checker, available on their website for use at any time. Simply type your content in their text box, or copy and paste it in, and the software will offer recommendations and changes directly within your text. You can only check 2000 words at a time, but at no cost per month, it’s worth the extra effort. 

Aside from spelling and grammar errors, SpellCheckPlus also detects redundant word choice, complicated language, and more. If you don’t like that the free version only allows for 2000 words of editing at once, there is a paid version for a one-time fee of $14.99. 


  • Grammar, spelling, and punctuation check
  • Insert special characters
  • Find and replace 
  • Vocabulary tool for English, Spanish, French, and Mandarin 
  • Pro version for unlimited text 



  • Free version
  • Accurate grammar editing 
  • Translation vocabulary tools 



  • Only checks 2000 words in free version 
  • Lacks advanced features



SpellCheckPlus is a great way to quickly check your grammar, and it’s especially useful for those new to the English language, but it isn’t as advanced as many paid options. 




How can I check my grammar? 

There are various ways to check your grammar, both online and offline. For the most basic proofreading needs, you can try re-reading your content or reading it out loud to listen for awkward sentences or incorrect word choices that need fine-tuning. It may be useful to have someone else read your work with fresh eyes to get a new perspective on what you’ve written.

If you’re still not confident in your writing, there are great grammar checkers online that will proofread your work for you, whether it’s an essay for school, a blog post, or any other piece of content. We’ve listed our favorite grammar tools above, so you can find the best one for your needs. 


Why should I use a grammar checker? 

Grammar is essential for anyone who writes. No matter what you’re writing for – an essay, a blog, a cover letter, and even social media posts – it’s important that you can clearly and concisely express yourself. While some people take grammar less seriously than others, it’s vital, in both an academic and professional setting, to convey your thoughts and ideas clearly. Writing with poor grammar can make you look unprofessional, uninformed, and sloppy. 

Online grammar checkers are one of the best ways to make sure your writing is accurate. Many are free and easy to use, so there’s no reason not to double check your work with these tools.


What is the best grammar checker? 

Our favorite option, and one of the most popular ones available, is Grammarly. Read our full review above to learn more about Grammarly’s tools and capabilities. Every grammar tool on this list works great, however, so pick the one with the features that most interest you! 


Is using Grammarly considered cheating? 

No, using Grammarly or other grammar checkers is not considered cheating. Grammarly offers edits and advice, but it does not write anything for you, so it does not fall under plagiarism. If you’re considering if you should use Grammarly for an educational assignment, you can always check with your teacher, professor, or institution guidelines on plagiarism and other academic rules. 


Final Thoughts

Use the best grammar checkers to improve your writing skills and style! These grammar software tools have impressive features that go far beyond the standard spell check and basic grammar, offering ways to improve your writing style and learn as you go. Never miss a typo again with these proofreading tools.

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