MrGrammar
Fix grammar and polish text directly in your browser. Compatible with Gmail, LinkedIn, Slack, and many more.
As of June 2026, MrGrammar has 11 users and a 5.00/5 rating from 6 reviews in the Productivity category.
Usersdown 8.3 percent−8.3%
11
11
Ratingno change0%
5.00
6 reviews
Reviewsno change0%
6
Version
2.1
Manifest V3
History
4 snapshotsTracking since Apr 1, 2026.
View as table
| Date | Users | Rating | Reviews | Version |
|---|---|---|---|---|
| Apr 1, 2026 | 12 | 5.00 | 6 | 2.1 |
| Apr 17, 2026 | 13 | 5.00 | 6 | 2.1 |
| Apr 27, 2026 | 12 | 5.00 | 6 | 2.1 |
| May 30, 2026 | 12 | 5.00 | 6 | 2.1 |
| Now | 11 | 5.00 | 6 | 2.1 |
Permissions & access
- Permissions
- contextMenusactiveTabscriptingstoragetabs
- Host access
- https://api.openai.com/*, https://mail.google.com/*, https://outlook.office.com/*, https://outlook.live.com/*, https://app.slack.com/*, https://www.linkedin.com/*, https://www.facebook.com/*, https://web.facebook.com/*, https://m.facebook.com/*, https://www.messenger.com/*
Screenshots
About
Mr. Grammar integrates in the background while you do your thing. It catches typos, awkward phrasing, and grammar mistakes before you hit send. So you can write fast, sound sharp, and keep it professional, EVERYTIME!
Technical
- Version
- 2.1
- Manifest
- V3
- Size
- 108KiB
- Min Chrome
- 88
- Languages
- 1
- Featured
- No
Metadata
- ID
- jpecnjmadbehcdpnlfdoobfbohajpdel
- Developer ID
- ub0c771c69e8a4fed7e2df7e1bf4a3aef
- Developer Email
- [email protected]
- Created
- Jul 7, 2025
- Last Updated (Store)
- Feb 2, 2026
- Last Scraped
- Jun 8, 2026
- Website
- —
- Support URL
- https://buymeacoffee.com/saleep
- Privacy Policy
- https://saleep24.github.io/MrGrammar-privacy/
Similar extensions
Alternatives to MrGrammar, ranked by description similarity.
Grammar autoCorrect
Automatically correct grammar by double hitting spacebar when you finish typing in chat or text fields!
155
★ 2.3
Grammar Guru
AI powered text rewriter
209
★ 3.0
Spell Check
Try Spell Check for auto correct texts using ai grammar checker and ortografia corrector. Improve sentence online.
8.0K
★ 4.4
AI Grammar Checker & Writing Assistant
Free AI grammar checker and spell check for error-Free Writing.
198
Grammar Checker
Your personal editor — Grammar Checker helps you write better.
15
Gramify
Improve your writing instantly with Gramify — grammar fixes, rephrasing, clarity boost.
—
AI Grammar Checker
Use AI Grammar Checker for flawless writing. Enjoy punctuation and grammar corrector, spell checker and AI grammar check in one tool
7.0K
★ 4.5
GrammarPro
Professional multilingual grammar-focused text refiner
7
Data sourced from the Chrome Web Store · last verified Jun 8, 2026.