AI Grammar Checker & Paraphraser – LanguageTool

Instantly Enhance Your Texts with LanguageTool’s Grammar Checker and Paraphrasing Tool

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LanguageTool is a powerful AI-driven grammar checker and paraphrasing tool designed to instantly improve your writing. Unlike basic spell checkers, it detects complex grammar errors, confused words, and punctuation mistakes across more than 25 languages including English, Spanish, German, and French.

This free Chrome extension works seamlessly on most websites, including Gmail, Facebook, Twitter, and LinkedIn, providing real-time corrections as you type without requiring any registration. It offers style suggestions such as synonym replacements, concise rephrasing, and formal alternatives to enhance the clarity and professionalism of your texts. LanguageTool also features a personal dictionary to learn your unique word preferences, ensuring personalized proofreading. Prioritizing user privacy, it transmits data securely and does not store IP addresses. Whether you are a native or non-native speaker, LanguageTool empowers you to write with confidence and precision.

By:: https://languagetool.org
Users:: 3,000,000+
Rating:: 4.82
(11,011) 26 new ratings
Version:: 8.19.4 (Last updated: 2025-04-11)
Creation date:: 2020-06-16
Risk:: Low risk impact Very low risk likelihood
Permissions:: activeTab
storage
contextMenus
scripting
alarms
Size:: 14.68M
Email:: da*****@languagetool.com
URLs:: Website ,Privacy policy
Full description:: See detailed description
Source:: Chrome Web Store
Updated:: 14 hours ago

Ranking

# 125 ▼ 15

Other rankings

#14 in Workflow & Planning

#7 in Learn a new language

#9 in The future of writing

#1 in paraphraser keyword 31

#2 in grammar checker keyword 69

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Other platforms

AI Grammar Checker & Paraphraser – LanguageTool (v8.19.4)

755,747+ 4.80

(549)

Publisher Change History

2024-03-10: Email was changed from su*****@languagetoolplus.com to da*****@languagetool.com

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User reviews

Users generally praise the AI Grammar Checker & Paraphraser – LanguageTool extension for its effectiveness, multilingual support, and ease of use, especially in academic and professional contexts. It often outperforms built-in tools like Google Docs spell check. However, multiple reviews mention issues with the extension occasionally ceasing to function after updates and some limitations in word recognition. Some users note that premium features require payment, as it is not completely free. Overall, it is highly recommended and considered a valuable writing aid.

Pros

Highly effective and helpful in improving writing, including academic work and professional tasks.
Supports multiple languages and provides more accurate corrections than some built-in tools like Google Docs spell check.
Easy to use and not intrusive, making it convenient for language revision.
Users find it perfect or excellent for grammar checking and paraphrasing needs.
Great tool for enhancing writing clarity and correctness, with many users recommending it.

Cons

Some users experienced the extension stopping working, likely due to faulty updates.
A few note it misses certain dictionary words or specific errors.
Not all features may be free, with some users mentioning it is not entirely free to use.

Recent reviews

I really love this extension, but please add a way to disable the AI features. AI is killing our planet through the unprecedented amount of emissions being created and the amount of water being wasted to run it.

Oliver C, 2025-04-29

Ferramenta muito útil e prática.

Digitação Mundo Feliz, 2025-04-28

Perfect!

Miraga Aliyev, 2025-04-28

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Extension safety

Risk impact

AI Grammar Checker & Paraphraser – LanguageTool requires very minimum permissions.

Risk impact analysis details

High Injects scripts into web pages, which may alter or extract site contents, resulting in a substantial risk.

Risk likelihood

AI Grammar Checker & Paraphraser – LanguageTool has earned a good reputation and can be trusted.

Risk likelihood analysis details

High This extension was recently updated in the past month. New updates may not be stable or safe.
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