AI Grammar Checker & Paraphraser – LanguageTool

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

LanguageTool is a powerful Chrome extension that instantly improves your writing by detecting grammar errors, style issues, and punctuation mistakes beyond simple spell checking. Supporting over 25 languages including English, Spanish, French, and German, this tool is perfect for both native and non-native speakers. It works seamlessly across many platforms like Gmail, Facebook, Twitter, and LinkedIn without requiring registration.

Besides error detection, LanguageTool offers style suggestions such as synonym replacements, concise rephrasing, and formal alternatives to enhance your text quality. The extension respects your privacy by encrypting your data with no IP storage and provides a personal dictionary feature to accommodate your unique vocabulary. For advanced features, a premium option is available. Overall, LanguageTool is an essential tool for anyone looking to write clearly and confidently online.

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By:
LanguageTool
Users:
904,701 79.86K
Rating:
4.80
(559)
Version:
8.21.1 Last updated: 2025-06-10
Creation date:
2022-01-19
Risk:
Low risk impact Very low risk likelihood
Permissions:
  • activeTab
  • storage
  • contextMenus
  • scripting
  • alarms
Size:
14.53MB
URLs:
Website ,Privacy policy
Full description:
See detailed description
Source:
Edge Add-on Store
Updated:
17 hours ago

Other platforms

AI Grammar Checker & Paraphraser – LanguageTool (v8.21.1)
3,000,000 4.81 (11,238)
Grammar and Spell Checker - LanguageTool (v8.19.4)
374,495 4.68 (4,502)

User reviews

Users generally appreciate this free extension for its effective spelling and grammar corrections across multiple languages, enhancing writing quality. It integrates well with tools like Word Online and is versatile for daily use. However, multiple reviews highlight issues with the paraphrasing feature, which often fails, as well as stability problems where the extension stops working or becomes unresponsive in the Edge browser. Some users report interface glitches and missing configuration options, indicating areas where developers could improve to enhance reliability and user experience.
Pros
  • Effectively checks spelling and grammar, providing useful corrections.
  • Supports multiple languages and is versatile for everyday writing needs.
  • Free to use, offering valuable features without cost.
  • Works well with other tools like Word Online, enhancing user experience.
  • Highly praised for improving writing quality and reducing errors.
Cons
  • Paraphrasing tool frequently experiences errors and does not work reliably.
  • Extension sometimes becomes unresponsive or stops working in Edge browser.
  • Interface issues such as the extension jumping when accepting corrections.
  • Lack of configuration options to set it as the main checker in Edge.
  • Features like double-click to enable have stopped functioning for some users.
Recent reviews
¡Es perfecto! Te marca tanto la ortografía como la gramática para que la puedas corregir si quieres.
by Jo*****, 2025-06-01

muy buena app
by BA*****, 2025-05-20

ele é bom, porém dá erro em algumas paginas web quando você clica no botão de imprimir nos sites, por esse erro não posso usar
by Ga*****, 2025-05-16
View all user reviews ›

Extension safety

Risk impact
Risk impact measures the level of extra permissions an extension has access to. A low risk impact extension cannot do much harms, whereas a high risk impact extension can do a lot of damage like stealing your password, bypassing your security settings, and accessing your personal data. High risk impact extensions are not necessarily malicious. However, if they do turn malicious, they can be very harmful.

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
Risk likelihood measures the probability that an Edge add-on may turn malicious. This is determined by the publisher and the Edge add-on reputation on Edge Add-on Store, the amount of time the Edge add-on has been around, and other signals about the Edge add-on. Our algorithms are not perfect, and are subject to change as we discover new ways to detect malicious extensions. We recommend that you always exercise caution when installing an Edge add-on.

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.
  • Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
  • Low **** ********* *** **** **** ****** ******* ********** **** ****** ** ** ****** *** *****
  • Good **** ********* ** ****** ** ********
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