Grammarly: AI Writing and Grammar Checker App
Improve your writing with Grammarly's AI assistance. Get spell check, grammar check, generative AI, and more in one tool. Real-time suggestions for improving tone and clarity help ensure your writing makes the impression you want.
- By:
- Grammarly
- Rating:
- 4.11 (3,134) 3 new ratings
- Version:
- 8.929.0 (Last updated: 2025-03-07)
- Version code:
- 5899530
- Creation date:
- 2014-12-17
- Permissions:
- http://*/*
- https://*/*
- tabs
- notifications
- cookies
- storage
- Size:
- 39.82M
- URLs:
- Privacy policy
- Full description:
- See detailed description
- Source:
- Firefox Browser Add-ons
- Updated:
- 13 hours ago
Manifest V2
Ranking
# 24
Other platforms
User reviews
Pros
- Accurate corrections for grammar, spelling, and punctuation
- Offers style enhancements for clarity and tone
- Seamless integration with popular web platforms
- Customizable language preferences and personal dictionaries
- Robust free version available
Cons
- Premium subscription required for advanced features
- Frequent sign-in issues and unreliable functionality
- Occasional slowdowns on complex web forms
- Extension turns off by itself
- Lack of clear instructions for troubleshooting
Most mentioned
- Sign-in issues and prompts to create an account
- Unreliable functionality and app performance
- Need for premium features for full functionality
These summaries are automatically generated weekly using AI based on recent user reviews. User
reviews may be inaccurate, spammy, or outdated.
User reviews
by Diane, 2025-04-12
by Firefox user 18683465, 2025-04-11
by Firefox user 18463091, 2025-04-08
Add-on safety
Risk impact
Grammarly: AI Writing and Grammar Checker App requires a lot of sensitive permissions. Exercise caution before installing.
Risk impact analysis details
- Critical Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
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- High ******* ******* **** *** ****** ***** *** ***** ** ******* **** ********* ********* ** * *********** *****
- Medium ******* ******* ************* ***** *** ** ******* *** **** ******* ****** ******** *******
Risk likelihood
Grammarly: AI Writing and Grammar Checker App has earned a fairly good reputation and likely can be trusted.
Risk likelihood analysis details
- Medium This extension was updated in the past 3 months. New updates may not be stable or safe.
- Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
- Low **** ********* *** **** **** ****** ******* ********** **** ****** ** ** ****** *** *****
- Good **** ********* *** **** **** *******
Upgrade to see full risk analysis details
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