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On This Page
  • How Do You Choose the Best AI Grammar Checker? Factors That Matter
  • QuillBot - A Popular AI Grammar Checker for English & More
  • OpenAI Grammar Checker - Trustworthy Grammar Checking Tool for Students
  • Grammarly: Top-tier AI Grammar Checker with Google Extension
  • Paperpal - Free AI Grammar Checker Online for Academics
  • Sampling Free AI Grammar Checker for Personal Modification Suggestions
  • Generate a Grammatically Correct Video from Text with Vidnoz AI
  • Conclusion

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AI Grammar Checker: Best Tools for Accurate and Effective Editing


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How to ensure mistake-free writing? Find the 5 best (free) AI grammar checkers online for fast grammar/spelling/punctuation checks.

The use of AI-powered tools has made grammar checking a more accurate and efficient procedure that is crucial for written communication. AI grammar checker provides authors with immediate feedback while they type. These tools analyze text using natural language processing (NLP) algorithms to find problems and suggest changes. They have gained popularity among English language learners, professionals, bloggers, copywriters, and students due to their capacity to enhance readability and professionalism through word recommendations.

AI Grammar Checker

Now, in the digital market where hundreds of online grammar checkers are available, finding the one that best suits your demand takes time. Read this guide on the best 5 AI grammar checkers; it will definitely help you choose one according to your needs.

On This Page
  • How Do You Choose the Best AI Grammar Checker? Factors That Matter
  • QuillBot - A Popular AI Grammar Checker for English & More
  • OpenAI Grammar Checker - Trustworthy Grammar Checking Tool for Students
  • Grammarly: Top-tier AI Grammar Checker with Google Extension
  • Paperpal - Free AI Grammar Checker Online for Academics
  • Sampling Free AI Grammar Checker for Personal Modification Suggestions
  • Generate a Grammatically Correct Video from Text with Vidnoz AI
  • Conclusion

How Do You Choose the Best AI Grammar Checker? Factors That Matter

Selecting the best AI grammar checker might be difficult due to the availability of so many possibilities. Still, there are a few things that might assist you in making a wise choice. The following are some important things to consider:

  • Accuracy: It's the most important factor to consider. Everyone is looking for a grammar checker that provides accurate and reliable corrections for grammar, punctuation, and spelling errors.
  • Contextual Understanding: The AI grammar checker should have the ability to understand the content of the text and give appropriate suggestions for more fluent expressions.
  • Language Support: Of course, you should ensure that the grammar checker supports the language you want to check. The dialects should also be considered if you need to.
  • Personalization: Some of the AI grammar checkers allow the AI to learn your writing style and make the corrected article more personalized to your writing.
  • Usability: Select a tool that doesn't require any prior technical expertise or experience and has an easy-to-use interface.

QuillBot - A Popular AI Grammar Checker for English & More

QuillBot AI Grammar Checker  Pricing:

Price: Free & Paid (starting at $8.33/month)

QuillBot is a popular AI grammar checker that provides both free and paid services. It is renowned for being precise in identifying and fixing spelling, grammatical, and punctuation mistakes. It supports many English dialects as well as German, French, and Spanish languages, making it appropriate for a diverse user base. Nevertheless, advanced writing features like plagiarism detection and rewording suggestions are unavailable in the free version. The grammar checker from QuillBot delivers thorough mistake analysis along with corrections in real-time. This multilingual service provider has some other services, one of which is its summarize tool, helping summarize any content you provide.

Key Features:

  • Language Support: Supports different English variants and German/French/Spanish.
  • Simple to Use: Allows users to type, paste, or upload text.
  • Easy Interface: Basic text editing and export features.
  • Quick Response: Real-time, accurate corrections with detailed error analysis.

People may ask the question: Is QuillBot grammar checker good?” the answer is: 

The well-liked grammar checker from QuillBot also makes use of AI to identify and fix grammatical mistakes. It has an easy-to-use interface and gives useful tips for making your writing more readable and clearer.

  • Different English variants and German/French/Spanish supported.

  • Users can type text, paste text, or upload DOC/PDF files.

  • Basic text edit and export features. 

  • Some advanced features are restricted to the paid version.

OpenAI Grammar Checker - Trustworthy Grammar Checking Tool for Students

OpenAI Grammar Checker

Pricing: Paid ($20/month)

Many students have come to trust OpenAI Grammar Checker powered by GPT-4. StudyX has created this masterpiece that provides excellent precision in identifying and resolving spelling, grammatical, and punctuation mistakes in academic papers, college assignments, and other types of tasks. The tool ensures that students' writing is polished and professional. It focuses on the most recent version of the GPT-4 model to give thorough grammar and spelling checks. Above all, the chat data on the OpenAI site won’t be shared even with study.ai. So you don’t need to be concerned about the privacy problem.

Also read, check out the top 7 AI essay grader for smart grammar checking and essay scoring>>

Key Features:

  • High precision: When it comes to spelling, grammar, and punctuation.
  • Uses the GPT-4 model: It helps provide excellent error detection and correctness.
  • Trusted: Won the trust of over 1000 university students.
  • Plus Plan: Provides a Plus plan with more tools for data analysis and content production.
  • Check grammar with the most recent GPT-4 model with high accuracy.

  • Students in over 1,000 colleges use this product to improve their writing.

  • The Plus plan offers many other tools for content creation and data analysis. 

  • No free version and the monthly subscription fee is expensive.

Grammarly: Top-tier AI Grammar Checker with Google Extension

Grammarly AI Grammar Checker

Pricing: Free & Paid (starting $12/month)

Grammarly is a prevalent writing helper and has a dedicated AI feature called "Generative AI," which sets it apart from other tools. Users can choose or type prompts to enable AI to rewrite, adjust tone, and get content ideas.

Key Features:

  • Generative AI: Users provide instructions to let AI rewrite, modify tone, and come up with suggestions for new content.
  • Compatibility: It works with a range of platforms, including Windows, Mac, Chrome, Edge, and the Grammarly Editor, and can be accessed on desktops and mobile devices. It also offers google extension for quick grammar checking while writing.
  • Language Support: This AI grammar checker for English also supports other language formats including Indian, British, and US English.
  • Acceptance of File Formats: A variety of file formats, including. docx,.odt,.rtf, and .txt are supported.
  • Readability and Speaking Time: It gives the readability score, the predicted reading time, and the speaking time.
  • Available for browsers, desktops, and mobile devices.

  • Not only common English variants but also Indian English are supported.

  • Offer estimated reading time, speaking time, and readability score.

  • Accept file format in .docx, .odt, .rtf, and .txt.

  • Newbies might need some time to learn how it works

  • Mark right sentences as wrong occasionally

  • Offline grammar checking is not supported 

Paperpal - Free AI Grammar Checker Online for Academics

Paperpal AI Grammar Checker Online

Pricing: Free & Paid (starting at $9.91/month)

Paperpal is a free AI grammar checker online and academic writing tool aimed at academics, students, and publishers. It ensures polished and expert academic writing by providing real-time language, grammar, and punctuation suggestions and checks.

Key Features:

  • Understanding context: Thanks to millions of research articles, Paperpal's AI has been trained to recognize context and make relevant writing recommendations for academic purposes.
  • Language support: The tool may be adjusted to conform to academic writing norms and supports both US and UK English dialects.
  • Wide variety of features: Paperpal provides more than simply grammar checkers; it also has tools for academic translation, word choice enhancement, and sentence restructuring.
  • Integration with Microsoft Word: Paperpal is an add-on for Microsoft Word that facilitates feature access for people accustomed to using popular word processing programs.

Also Read: Generate headshots with AI for professional use (free & paid) >>

  • The error type was made for all correction suggestions.

  • Word synonym and non-English to English translation functions.

  • Microsoft Word add-in is available.

  • Account and log-in required.

  • The scanning speed could be faster sometimes.

  • Only support American British English

Sampling Free AI Grammar Checker for Personal Modification Suggestions

Sampling Free AI Grammar Checker

Pricing: Free

This free AI service is free of charge and has no limit on word count. The biggest feature of it is its support for 12 worldwide most-spoken languages, including English (4 dialects), Japanese, Chinese, Deutsch, Italian, and Portuguese. That makes it a good choice for language learners and international marketers (check the best free AI marketing tools for fast sales and business growth). It offers precise recommendations to enhance writing abilities with no word count restriction.

Key Features:

  • Support for 12 Languages: It is a flexible tool for users with a variety of linguistic backgrounds, supporting twelve of the most widely spoken languages worldwide.
  • Unlimited Word Count: Users are free to examine large papers without any constraints because the service does not impose a word count limit.
  • Precise Corrections: The AI grammar checker offers precise recommendations to enhance writing abilities while rapidly fixing punctuation, grammar, and spelling mistakes.
  • Language Dialects: Four dialects of English are supported so it can accommodate the unique linguistic quirks of various English-speaking areas.
  • More accurate correction suggestions than many other AI grammar-checking programs.

  • Grammar and spell-checking for more languages.

  • No log-in, no limit on text length.

  • Luckily, no ads.

  • It does not support file upload for checking.

  • Not support text-to-file export.

  • No error explanation or one-click error proofreading.

Generate a Grammatically Correct Video from Text with Vidnoz AI

It might not be easy to turn text into videos, especially for novices who have never worked with a professional video editor. A solution that will generate an amazing, grammatically accurate video with the description you choose is the Vidnoz AI Text to Video Tool. It is the perfect solution for everyone who needs to create films from text, articles, assignments, guidelines, or courses: professionals, web content makers, marketers, presenters, supporters, and students.

Turn Text to Video Easily with Vidnoz

Here are the easy steps to turn text to video with Vidnoz AI Text to Video:

Step 1: Enter Text

Enter the grammatically correct text you want to convert into a video in the Vidnoz AI Text to Video Tool.

Step 2: Set Basic Video Information

Here, you can add background music of your choice, subtitles, and even voiceovers.

Step 3: Generate Video

Click on the "Generate Video" button, and Vidnoz AI will create a stunning video from your text.


The use of AI grammar checkers is becoming more common in a society where the written word has enormous influence. These systems, backed by artificial intelligence and natural language processing, provide extensive and accurate feedback on written material, improving the quality of content across multiple fields. There is hope for even more complex and powerful AI grammar checkers in the future as AI technology continues to progress.



Griffin, a former software engineer and technology enthusiast, has over 5 years of writing experience about technology. He is always looking for and sharing tools that promote creativity, productivity, and teamwork.