10 Best Free Online Grammar Checkers: Features and Ratings

• Feb 27, 2024
• 6 min read

• Tags: English as a Second Language / ESL, Grammar, Language, Punctuation

As authors, writers, and students we all understand the paramount importance of impeccable grammar in our lives. Whether it’s writing a novel, starting a blog from scratch, or writing an assignment, the clarity and correctness of our language directly influence the impact and credibility of our writing. Enter the grammar checker: a writer’s best friend in the digital age, designed to polish and perfect the written word.

A grammar checker serves as an advanced digital assistant, scrutinizing your writing for grammatical flaws, spelling errors, punctuation problems, and occasionally stylistic shortcomings. Offering instant corrections and advice boosts your writing’s quality, ensuring clear and professional communication. In this article, we will uncover the top 10 best free grammar checkers that will help you perfect your content!

Without further ado, let’s take a look at the best grammar checkers available for free:

1. QuillBot

QuillBot is renowned for its paraphrasing tool, but its free grammar checker is equally impressive. Offering free online grammar checker services, it ensures your writing is not just error-free but also refined.

Quality

• It highlighted all 10 grammar errors out of 10.
• It provided 10 change suggestions for the grammar errors.

Functionality

• Provides a browser add-on.
• A “Fix All Errors” feature simplifies correcting multiple issues simultaneously.
• Includes quick access to QuillBot’s rephrasing tool, plagiarism checker, summarizer, and citation generator for additional usage.
• Includes an export feature, and a button to copy the entire text.

2. Scribbr

Scribbr is tailored for academic writing, offering a grammar check that’s unparalleled for scholarly works. It’s the best grammar checker online for students and researchers, providing thorough grammar correction free of plagiarism concerns.

Quality

• It highlighted all 10 grammar errors out of 10.
• It provided 10 change suggestions for the grammar errors.

Functionality

• Start immediately without the need for registration, ensuring a rapid setup.
• A “Fix All Errors” feature allows for effortless correction of numerous issues simultaneously.
• Individual errors can be corrected with a single click.
• Comes equipped with multiple formatting choices, an export feature, and a button to copy the entire text.

4. Dupli Checker

Duplichecker combines grammar checking with plagiarism detection, offering a comprehensive tool for writers. It’s a free grammar checker online that also helps optimize your content for search engines, checking and correcting grammar efficiently.

Quality

• It highlighted all 6 grammar errors out of 10.
• It provided 6 change suggestions for the grammar errors.

Functionality

• Presents one alternative for possible interpretations.
• Start immediately without the need for registration, ensuring a rapid setup.
• Accepts text in various languages and styles.
• Quick access to the rephrasing tool and free plagiarism checker.

5. GrammarCheck

For those in search of a direct approach to checking grammar, GrammarCheck provides an easy-to-use interface. It’s one of the best free grammar checkers online, designed for swift and effective grammar correction.

Quality

• It highlighted all 6 grammar errors out of 10.
• It provided 6 change suggestions for the grammar errors.

Functionality

• Presents one alternative for possible interpretations.
• A “Fix Errors” feature simplifies correcting multiple issues simultaneously.
• Start immediately without the need for registration, ensuring a rapid setup.
• Includes a button to copy the entire text.

6. Wordtune

Wordtune’s simplicity makes it an ideal free grammar corrector for quick edits. It ensures every grammatically correct submission is just a few clicks away, offering a straightforward platform for grammar checking.

Quality

• It highlighted all 6 grammar errors out of 10.
• It provided 6 change suggestions to correct grammar errors.

Functionality

• Registration is required for usage.
• Provides a browser add-on.
• Presents one alternative for possible interpretations.
• Quick access to the rephrasing tool.

7. Linguix

Leveraging AI technology, Linguix offers an advanced free grammar checker online platform. It stands out as the best grammar checker for those looking to employ AI in correcting grammar and enhancing their writing.

Quality

• It highlighted all 6 grammar errors out of 10.
• It provided 6 change suggestions to correct grammar errors.

Functionality

• Presents one alternative for possible interpretations.
• Starts to check grammar immediately without the need for registration.
• Includes a button to copy the entire text.
• Browser add-on available.

8. Grammarly

Widely regarded as the best grammar checker, Grammarly checker offers comprehensive writing assistance. When you perform a Grammarly check, it provides grammar correction as well as style suggestions, making it a favorite grammar checker free online.

Quality

• It highlighted 4 grammar errors out of 10.
• It provided 4 change suggestions to correct grammar errors.

Functionality

• Features a sleek and tidy interface.
• Presents various alternatives for possible interpretations.
• Registration is required for usage.
• Suggestions are viewed one category at a time, not collectively.

9. LanguageTool

LanguageTool’s multi-language support makes it a versatile grammar checker online, free for global users. Its ability to check grammar and correct grammar across various languages is unmatched, offering a free grammar corrector that’s both accurate and efficient.

Quality

• It highlighted only 2 grammar errors out of 10.
• It provided 2 changes to correct grammar mistakes.

Functionality

• Presents various alternatives for possible interpretations.
• Provides a browser add-on.
• Requires premium version to access style suggestions.
• Provides 3 credits/day and various paraphrasing suggestions for each sentence using the paraphrasing tool shortcut.

10. ProWritingAid

ProWritingAid stands as a comprehensive writing aid, making it one of the best grammar checkers available. It provides a grammar check with detailed feedback, making grammar correction an insightful process for writers.

Quality

• It highlighted only 2 grammar errors out of 10.
• It provided 2 changes to correct grammar errors.

Functionality

• Presents one alternative for possible interpretations.
• Provides a browser add-on.
• A browser extension is required to be installed for a better grammar check.

The tools listed above represent the best grammar checkers free of charge, each offering unique features to suit different writing needs. Whether you’re crafting a novel, an academic paper, or a blog post, integrating one of these grammar checkers into your writing process can significantly enhance the clarity, coherence, and overall impact of your work.

Explore these options, find the best grammar checker free to use, and elevate your prose from good to impeccable. And for more refinement of your writing, we are always here to help with our expert editing and proofreading services!

Here are some more grammar resources for you:

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Tanvi

With a foundation in Life Sciences, Tanvi enjoys curating technical writing tips tailored for ESL students. When she's not translating complex concepts into bite-sized nuggets, she can be found playing with dogs or painting landscapes.