10 Best AI Grammar Checker Tools for 2024

May 2, 2024
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Writing well isn’t always as instinctive as speaking. In conversation, minor errors often go unnoticed, with our brains smoothing over any linguistic bumps. But in writing, each word is scrutinized, and small errors like ‘that’s there department’ instead of ‘their department’ can disrupt the flow and impact our message.

Enter AI grammar checkers – more than just a typo fixer, these tools refine your writing style to ensure clarity and precision, whether in business proposals, blog posts, or emails. However, not all grammar checkers are created equal. It’s about choosing one that complements your unique style and meets your communication goals.

In this article, we navigate the vast world of AI grammar checkers. We’ll spotlight top options, focusing on their unique features and how they can elevate your writing from good to great.

1. Grammarly

Probably the most well-known tool in this list, Grammarly has grown a reputation for identifying grammar and spelling mistakes, making it an ideal grammar corrector for all types of use cases. It’s designed to improve the overall quality of writing, making it more clear, engaging, and error-free.

Grammarly’s advanced AI algorithms offer real-time suggestions and corrections, catering to a wide range of writing styles and preferences. It’s compatibile with various online and offline tools, such as the Microsoft Office Suite (Word and Excel) and Google Docs.

You can tailor the grammar checker to assess your text according to different criteria. This includes the type of domain, intent, audience, and formality.

In the editor, Grammarly’s AI will suggest sentence rewrites on double clicks. I’ve found it somewhat helpful, but it should be taken with a grain of salt; they’re just suggestions and may not enhance your writing.

Overall, Grammarly does a good job catching basic grammar errors. It does lag slightly, especially when you’re using the browser extension to work with your document in real-time. However, it’s a steady choice for anyone looking for a reliable tool to check grammar mistakes.

Unique Features:

  • Real-time grammar and spelling checks.
  • Tone detection to align writing with the intended emotion or formality.
  • Plagiarism detection tool.
  • Language enhancement suggestions for clarity and conciseness.
  • Personal writing statistics and insights.


  • High accuracy in error detection
  • User-friendly interface
  • Versatile integration options


  • Premium plan prices makes Grammarly one of the more expensive tools
  • Limited features in the free version
  • May not catch very nuanced writing errors.


  • Offers a free version with basic checks.
  • Premium plans start from $12 per month (billed annually) or $30 per month.
  • Team plans available at $15 per person (minimum three people)

2. Linguix

If you’re looking for an alternative to Grammarly in terms of accuracy and usability, Linguix is a good shout. It’s a versatile tool, perfect for students, professionals, and even non-native English speakers looking to polish their writing.

This tool uses AI to check grammar, spelling, and punctuation, and it’s pretty good at understanding the context of what you’re writing about.

If you’re not happy with how a sentence is phrased, this Sentence Rewriter feature offers alternatives to improve the clarity of your writing without losing your personal style.

Another handy feature is the Content Quality Score. This gives your writing a rating based on readability, correctness, and style.

Unique Features:

  • Real-time checks for grammar, spelling, and punctuation.
  • Sentence Rewriter for alternative phrasing suggestions.
  • Content Quality Score to rate your writing.
  • Browser extensions for Chrome, Firefox, Safari, and others.
  • Add-ins for Google Docs, MS Word, and MS Outlook.


  • Affordable and easy to use.
  • Offers a wide range of features that cater to different writing needs.
  • Versatile, with browser extensions and integrations for various platforms.


  • Does not include a plagiarism checker.
  • Some features might be a bit complex for first-time users.


  • Free plan available with grammar correction for 7 languages
  • Premium plans start at $15 per month (Personal Pro) or $50 per month (Business)

3. ProWritingAid

ProWritingAid does a stellar job at making sure you’ve dotted your I’s and crossed your T’s. This tool is a standout for writers who need deep, comprehensive analysis, ranging from novelists to bloggers and students.

After using it for a short while, you’ll find that ProWritingAid is more in-depth that Grammarly. It offers a range of detailed reports so you’re not only getting grammar and spelling checks, but also insights into style, readability, and even elements like alliteration and pacing.

While it’s thorough, some users might find it a bit much, but anyone who wants to improve their writing, it’s a can be a useful tool to help you correct grammar.

Unique Features:

  • Over 25 detailed writing reports, each focusing on different aspects of your writing.
  • In-depth analysis covering everything from style and readability to more unique elements like alliteration.
  • Helpful explanations for each suggestion, turning error correction into a learning experience.

User Experience:

  • Extensive compatibility with writing platforms like Microsoft Word, Scrivener, and Google Docs.
  • A desktop app for offline editing, though it requires an internet connection.


  • Packed with detailed and comprehensive reports.
  • Offers extensive vocabulary enhancements and style suggestions.
  • Includes a plagiarism checker.
  • Compatible with several platforms, making it versatile for various writing needs.


  • The desktop app doesn’t support offline access.
  • Some users find the interface overwhelming.
  • The tool can be slower compared to others, and there’s no mobile app.


  • Free plan with a 500 word count limit.
  • Pricing starts at $30 per month (Premium) or $36 per month (Premium Pro).

4. Hemingway

Named after the renowned Ernest Hemingway, the tool is a grammar checker that takes after his philosophy towards writing. He takes a straightforward approach with as little fluff as possible, removing redundant adjectives and descriptors, preferring to write plainly instead (unlike my own).

This style of stripping down the writing so it’s less dense and easier to read is what makes Hemingway distinctive from the other tools on this list. It’s an AI tool that focuses on enhancing readability and simplicity in writing. Even the editor interface is designed to be a distraction-free environmentso you can focus on writing and editing.

Some users might prefer this approach and feel like this app creates bold and clear prose by highlighting complex sentences and common errors. Others may feel it’s overly restrictive.

It’s a free app, except you have to use it from your browser. The downloadable software is available for $19.99 as a one-off payment – not that steep compared to the other grammar checkers. It’s worth testing out in the browser to see if you prefer this approach.

Unique Features:

  • Color-coded readability grade for sentences.
  • Highlights passive voice, adverbs, and complex phrases.
  • Simple, distraction-free interface.
  • One-time purchase with no subscription required.


  • Strong focus on readability
  • Easy-to-use interface
  • No ongoing subscription costs.


  • Limited in scope – primarily focused on readability and not comprehensive grammar checking.


  • Free to use online.
  • Desktop version available for a one-time fee of $19.99 for Mac OS and Windows.

5. Slick Write

Think of Slick Write as a personal writing coach. It doesn’t just point out errors; it dives into your writing style, offering insights on how to make your text more engaging and effective.

There are all sorts of reports you can tap into, such as your content Flow chart, a breakdown of your vocabulary and word usage type. And it’s completely free.

For shorter-form content like blog articles, Slick Write will do a solid job at spotting grammatical mistakes and punctuation errors. However, if you need to proofread longer documents like a novel, other tools might serve you better due to the character submission limit.

Also, there isn’t a spelling checker which is a bit unusual for tools in this category. Slick Write focuses solely on improving grammar, albeit does a good job at that.

Unique Features:

  • Detailed analysis of grammar, style, and vocabulary.
  • Offers suggestions to enhance writing clarity and effectiveness.
  • Free to use, making it accessible to a wide range of users.


  • Comprehensive feedback on your writing.
  • In-depth analysis of your writing style and word choice.
  • Powerful grammar checker.


  • Has a submission limit of 30,000 words/200,000 characters
  • The amount of feedback can be overwhelming for some users.
  • No spelling checker


  • Completely free to use.

6. Scribens

Scribens might not be the first name that pops up when you think about grammar checking tools, but it’s definitely one you should consider. Designed to correct over 250 types of grammar and spelling errors, Scribens is a tool that caters to a variety of writing needs.

Scribens is all about simplicity and effectiveness. It’s perfect if you’re looking for a tool that goes beyond the basics but doesn’t overwhelm you with complexity. It’s particularly handy for polishing everyday writing like emails, blog posts, and social media updates.

Scribens offers insights into your writing with its statistics feature, which includes word count, Flesch index, and more, helping you understand the impact of your words. However, it doesn’t show an overall score like other tools do.

That might not be a terrible thing, as we can be too focused on hitting a higher score rather than improving our actual writing.

On top of being a good grammar checker, Scribens supports both English and French, making it a versatile choice for a broader audience.

Unique Features:

  • Checks over 250 grammatical errors, ensuring thorough editing.
  • Provides a statistical overview of your writing.
  • Supports both English and French languages.
  • Compatible with popular browsers and word processors.


  • Straightforward and easy to navigate, making it ideal for beginners.
  • Thorough in its grammar and style checking.
  • Free to use, offering good value for basic editing needs.


  • The free version is locked to 200,000 characters.
  • Doesn’t always correct advanced grammar errors, such as awkward phrasing.
  • Lack of a plagiarism detector.


  • Free version that covers basic editing needs up to 200,000 characters.
  • Premium version available starting from 9.90 Euros per month.

7. GrammarCheck

GrammarCheck is a straightforward, web-based grammar checking tool. It’s designed for quick checks, offering basic grammar, spelling, and punctuation corrections. Its simplicity and ease of use make it appealing for users who need fast, basic proofreading.

The tool is fairly barebones. You enter your text in a basic editor, and you can select Free Check for grammar, spelling, or punctuation errors. There’s a Deep Check option that spots more advanced issues, but it refers you to Grammarly Premium.

While it picks up basic issues fine, that’s all you can expect from this free tool. It doesn’t come with a plagiarism checker and lacks any statistics or reporting.

GrammarCheck is ideal if you’re in a hurry and just need to throw your copy in a checker to pick up any glaring issues. Best use cases would be for emails, social media posts, or other short-form copy.

However, you might be better served downloading an extension and using one of the other tools as you write your copy rather than open a new browser window.

Unique Features:

  • Direct text input for immediate grammar checking.
  • Simple, one-click correction process.


  • Extremely user-friendly, perfect for quick and straightforward usage.
  • Efficient for basic grammar and punctuation checks.
  • Free to use, with no registration required.


  • Limited in its ability to handle complex grammar issues.
  • Lacks advanced features found in more comprehensive grammar checkers.
  • The “Deep Check” option redirects to another tool, suggesting limited capabilities.


  • Completely free to use.

8. Sapling

Overview and Key Features: Sapling is an AI-powered writing assistant focused on business and professional communication. It offers grammar and spell checks, alongside more advanced features like autocomplete and phrase suggestions, tailored for professional and team environments.

Sapling.ai is carving out its niche as a business-focused AI writing assistant. It’s designed to streamline communication within organizations, making it a go-to tool for those in corporate and customer service environments. It’s particularly useful in sales and support platforms, where quick and efficient responses are crucial.

It’s not just about correcting grammar. Sapling.ai‘s deep learning-powered autocomplete feature helps maintain a consistent brand tone across all platforms, ensuring your communication is not only correct but also on-brand.

One of Sapling.ai‘s standout features is its response bank. It’s a time-saver for eCommerce companies and support teams, allowing quick access to common responses and templates.

While it excels in making your writing more direct and professional, it’s worth noting that Sapling.ai doesn’t delve into tone adjustments or provide extensive explanations for its grammar suggestions, focusing instead on conciseness and professionalism.

Unique Features:

  • AI-driven autocomplete for efficient messaging.
  • Advanced grammar checker that captures a wide range of errors.
  • Snippets for quick access to frequently used texts.
  • Multi-language support, catering to global business needs.


  • Ideal for business communication, especially emails and client interactions.
  • The autocomplete and snippets significantly speed up response times.
  • Supports multiple languages, enhancing its utility in international settings.


  • Limited to a single tone suitable for business, lacking flexibility for other types of writing like academic or creative.
  • Does not offer a plagiarism checker, focusing primarily on grammar and style correction.


  • Free version available with basic features.
  • Pro version starts at $25 per month per user.

9. Ginger

Ginger is a comprehensive writing tool that offers grammar checking, sentence rephrasing, and translation features. It’s a favorite for its comprehensive grammar and spell check capabilities, making it a reliable choice for writers and professionals aiming for precision in their communication.

Ginger excels in identifying and rectifying grammatical and spelling errors, ensuring your writing is error-free. The AI tool is also adept at understanding the context of sentences, providing more accurate corrections and suggestions than many of its counterparts.

If you sign up with the premium version, you can access the Sentence Rephraser. This feature shows you different ways to phrase your sentences, enhancing readability and style.

While Ginger is feature rich, there are a few setbacks. Ginger can translate into 50 languages, but the accuracy can be questionable.

Furthermore, the reporting features seem lackluster when compared to other grammar checkers like Grammarly or ProWritingAid.


  • Ginger works across various platforms including Windows, Mac, iOS, Android, and several browsers.
  • The tool is particularly beneficial for ESL learners.


  • Limited integration with Google Docs.
  • Ginger does not offer a plagiarism checker.
  • The desktop app can sometimes slow down your computer.


  • Free version with basic features.
  • Ginger Premium starts at $5.99 per month.

10. Trinka.ai

Trinka is specially designed for academic writing, ensuring grammar correction aligns with academic standards. Trinka is an AI-powered writing assistant specifically designed for academic and technical writing.

With features like word count reduction and unbiased language suggestions, Trinka helps refine your writing, ensuring it’s concise, precise, and publication-ready.

However, the tool isn’t the most responsive and does take more time than others to provide feedback on errors.

The interface can also be somewhat overwhelming. There are a lot of options to pick from the sidebars, which can be disorientating when switching from feature to feature.

That said, if you take your time learning how to navigate through Trinka, there’s a lot to like about this tool if you work in academia or write technical documents.

Unique Features:

  • Advanced grammar and spelling checks, tailored for academic writing.
  • Publication Readiness Checks for evaluating writing against academic guidelines.
  • Citation Checker to assess the quality and credibility of citations in your work.
  • Plugins for Microsoft Word and browser extensions for Chrome and Firefox.


  • Exceptionally useful for academic and technical writers.
  • Helps in improving the credibility and authority of academic citations.
  • User-friendly interface, making it easy for writers to navigate and use.


  • More specialized, so might not be the best fit for general content writing.
  • Limited in scope compared to broader-focused grammar checkers.


  • Free version available with basic features.
  • Premium tier starts from $20 per month.

What Makes the Best AI Grammar Checker and Rewording Tool?

Choosing the right AI grammar checker or rewording tool can feel like trying to find your way through a dense forest. There are so many options, each promising to be the best companion for your writing journey. But what really makes an AI tool stand out from the rest? Let’s break it down, step by step.

Accuracy: The Non-Negotiable Foundation

The cornerstone of any AI grammar checker is its accuracy. It’s not just about catching the obvious typos; the best tools understand the nuances of language. They can distinguish between homophones (like “their” and “there”) and can navigate complex grammatical structures.

When it comes to rewording, the tool should offer suggestions that maintain the original meaning while enhancing clarity and readability. You want the AI tool to be as good as vigilant editor by your side who scribbles your whole document in red to make sure you’re publishing quality work (just try not to take too much offense).

Contextual Understanding: Beyond the Basics

A top-notch AI tool doesn’t just understand words; it grasps context. It’s not enough for a tool to be a grammar guru; it should also be a style savant, offering suggestions that fit the tone and purpose of your piece.

Whether you’re writing a formal report or a casual blog post, the tool should adapt its recommendations accordingly. This contextual awareness is what elevates a good grammar checker to a great one.

User-Friendly Interface: Ease of Use is Key

The best AI tools don’t require you to have years of coding experience to make the tool work. They should be easy to use, with a clean, intuitive interface. After all, what’s the use of a powerful tool if it’s a hassle to navigate?

Features like one-click corrections, easy-to-understand explanations, and a seamless integration with your usual writing platforms (like email clients, word processors, or content management systems) are what make these tools not just helpful, but make it seem like you couldn’t work without them.

Personalization: Adapting to Your Style

Every writer has a unique voice, and the best AI grammar checkers recognize this. They should offer customization options, allowing you to set preferences for your writing style.

Whether you prefer Oxford commas or want to avoid passive voice, your AI tool should be able to tailor its suggestions to match your personal style guide.

Learning and Evolving: The AI that Grows with You

The best tools learn from their interactions with you, evolving and adapting to better meet your needs over time. They remember your common mistakes and preferences, making their future suggestions even more on-point.

Over time, the tool should evolve beyond just suggesting basic writing suggestions and provide more tailored advice based on previous corrections it made in your other work.

Comprehensive Feedback: More Than Just Corrections

Great AI grammar checkers don’t just point out errors; they educate you. They offer clear, concise explanations for their corrections, turning each error into a learning opportunity.

This feature is invaluable for those looking to improve their writing skills over time, not just fix a one-off mistake.

Speed and Efficiency: Saving Your Precious Time

Time is of the essence. The best AI tools work quickly, scanning your document in seconds and providing immediate feedback.

This efficiency ensures that your writing process is smooth and uninterrupted, allowing you to focus on the creative part of writing without getting bogged down by the technicalities.

Final thoughts

That sums up our list of the best AI grammar checkers on the market (for now). You can cross your Ts and dot your Is with confidence, never having to worry about whether you’re using who’s and whose correctly.

If you’re creating long-form content, such as an infographic, grammar checkers will still do their job when you’re annotating your visual.

If you need a tool to create these kinds of visuals quickly, try out our AI-powered infographic maker. You just feed the tool a prompt, and it’ll create a range of good-looking visuals that match our battle-tested templates with your prompt. Pick the best one for your use case and customize it in our editor.

Just don’t forget to use your AI grammar checker when you’re designing the visual!


What is an AI Grammar Checker?

An AI grammar checker is a software tool that uses artificial intelligence to analyze written text for grammatical errors, spelling mistakes, punctuation issues, and sometimes even style and tone inconsistencies.

These tools are designed to help writers improve the quality of their writing by providing instant feedback and suggestions for correction. They work by comparing the text against complex linguistic rules and patterns.

Some advanced checkers also offer context-specific suggestions, adapting to different writing styles and purposes.

While they are a powerful aid for writers of all levels, they are not infallible and should be used as a complement to, rather than a replacement for, human judgment and editing skills.

What is the best AI tool to check grammar?

Determining the “best” AI grammar checker depends largely on individual needs and preferences.

Tools like Grammarly and ProWritingAid are widely praised for their comprehensive features, offering detailed grammar, punctuation, and style checks.

Hemingway Editor is favored for its focus on readability and sentence structure, while Ginger and Scribens are known for their multilingual support.

The best tool for you will depend on specific factors like the type of writing you do, the level of detail you need, language support, and whether you require additional features like plagiarism detection or integration with other software.

Does ChatGPT check grammar?

ChatGPT, developed by OpenAI, is primarily an AI language model designed to generate human-like text based on the input it receives. While it can assist with grammar and syntax to a certain extent, its primary function is not as a dedicated grammar checker.

It can provide suggestions and help with rephrasing sentences but does not have the specialized capability to perform detailed grammar checks like dedicated grammar checking tools.

Therefore, it’s advisable to use ChatGPT in conjunction with a specialized AI grammar checking tool for more accurate and comprehensive error detection and correction.

Can AI Grammar Checkers Replace Human Editors?

AI grammar checkers are powerful tools that can significantly aid in the writing process by catching a wide range of errors and offering suggestions for improvement. However, they cannot fully replace human editors. Human editors bring context understanding, creativity, and nuanced judgment that AI currently cannot replicate.

While AI checkers excel in identifying technical errors, they may struggle with understanding context, subtlety, and intent in writing. For works requiring deep understanding, creative input, and complex judgment, human editors remain indispensable.

Are AI Grammar Checkers Reliable for Academic Writing?

AI grammar checkers can be a valuable asset for academic writing, offering significant help with grammar, punctuation, and basic style consistency. They can assist in ensuring that academic papers are free from technical writing errors.

However, academic writing often requires adherence to specific formatting and stylistic guidelines that AI tools might not fully accommodate. Additionally, the nuanced argumentation and complex structure typical of academic writing might sometimes be beyond the scope of these tools.

Therefore, while AI grammar checkers are reliable for basic checks, they should be used alongside thorough review and editing by the writer or a human editor familiar with academic writing standards.

Can These Tools Detect Plagiarism?

Many advanced AI grammar checkers come with an integrated plagiarism detection feature. These tools compare the submitted text against a vast database of published material to identify potential plagiarism. This feature is particularly useful for writers, educators, and students to ensure the originality of their work.

However, it’s important to note that the effectiveness of plagiarism detection can vary based on the tool’s database and algorithms. For critical academic or professional work, it might be advisable to use a dedicated plagiarism detection service alongside the grammar checker for a more thorough check.

What Should I Do if the AI Tool’s Suggestion Seems Incorrect?

If an AI tool’s suggestion appears incorrect or unsuitable, it’s important to trust your judgment and review the context of your writing. AI tools are not infallible and can sometimes misinterpret the intended meaning or style. In such cases, consider the following steps:

  • Review the sentence for context and clarity.
  • Check other reliable sources or grammar guides if you are unsure about a rule.
  • If possible, consult a human editor for a second opinion. Remember, AI tools are aids designed to assist, not dictate, your writing process.

Can AI Grammar Checkers Work in Languages Other Than English?

Many AI grammar checkers offer support for languages other than English, but the extent and effectiveness of this support can vary widely among tools. Some, like Ginger, are known for their multilingual capabilities, providing grammar checking in several languages. However, the accuracy and depth of checking in languages other than English might not always match the proficiency level of English checks.

It’s advisable to choose a tool that specifically mentions support for the language you need and to cross-check its effectiveness with native speakers or other resources