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MrGrammar

Chrome extension by Saleep · Productivity · Tools

A Chrome extension in Productivity · Tools with 227 users, barely installed. Audience over the last 30 days: +219.

Specific sites only: 11 match patterns.

What the developer says, and 4 screenshots

Loading from the Chrome Web Store. Open the listing if it does not appear.

Users
227 (the store no longer states an audience; this is the last figure it published)
Rating
5.0 (8 ratings)
Users, last 30 days
+219
Rating, last 30 days
Steady over 30 days
Version
3.1
Updated in the store
2026-10-18
Published
2025-07-07
Manifest
V3
Browser access
4 permissions, 11 site patterns

How it has moved

Users
+219 since 30.09
7-227 · 10 readings
2026-10-18: released 3.1
  1. 2026-10-049
  2. 2026-10-107
  3. 2026-10-138
  4. 2026-10-169
  5. 2026-10-1810released 3.1
  6. 2026-10-2113
  7. 2026-10-2212
  8. 2026-10-2313
  9. 2026-10-24227
  10. 2026-10-30227
Rating
unchanged since 30.09
reviewsrating 5.00 · 10 readings
2026-10-18: released 3.1
  1. 2026-10-04reviews6rating5.00
  2. 2026-10-10reviews6rating5.00
  3. 2026-10-13reviews6rating5.00
  4. 2026-10-16reviews6rating5.00
  5. 2026-10-18reviews6rating5.00released 3.1
  6. 2026-10-21reviews6rating5.00
  7. 2026-10-22reviews6rating5.00
  8. 2026-10-23reviews6rating5.00
  9. 2026-10-24reviews8rating5.00
  10. 2026-10-30reviews8rating5.00
Users
+216 since 01.09
7-227 · 23 readings
2026-10-18: released 3.1
  1. 2026-09-0111
  2. 2026-09-0213
  3. 2026-09-0412
  4. 2026-09-0513
  5. 2026-09-0612
  6. 2026-09-0813
  7. 2026-09-0910
  8. 2026-09-139
  9. 2026-09-1510
  10. 2026-09-169
  11. 2026-09-2010
  12. 2026-09-219
  13. 2026-09-288
  14. 2026-10-049
  15. 2026-10-107
  16. 2026-10-138
  17. 2026-10-169
  18. 2026-10-1810released 3.1
  19. 2026-10-2113
  20. 2026-10-2212
  21. 2026-10-2313
  22. 2026-10-24227
  23. 2026-10-30227
Rating
unchanged since 01.09
reviewsrating 5.00 · 23 readings
2026-10-18: released 3.1
  1. 2026-09-01reviews6rating5.00
  2. 2026-09-02reviews6rating5.00
  3. 2026-09-04reviews6rating5.00
  4. 2026-09-05reviews6rating5.00
  5. 2026-09-06reviews6rating5.00
  6. 2026-09-08reviews6rating5.00
  7. 2026-09-09reviews6rating5.00
  8. 2026-09-13reviews6rating5.00
  9. 2026-09-15reviews6rating5.00
  10. 2026-09-16reviews6rating5.00
  11. 2026-09-20reviews6rating5.00
  12. 2026-09-21reviews6rating5.00
  13. 2026-09-28reviews6rating5.00
  14. 2026-10-04reviews6rating5.00
  15. 2026-10-10reviews6rating5.00
  16. 2026-10-13reviews6rating5.00
  17. 2026-10-16reviews6rating5.00
  18. 2026-10-18reviews6rating5.00released 3.1
  19. 2026-10-21reviews6rating5.00
  20. 2026-10-22reviews6rating5.00
  21. 2026-10-23reviews6rating5.00
  22. 2026-10-24reviews8rating5.00
  23. 2026-10-30reviews8rating5.00

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing up to 2 times a day and record a point only when something moves. History beyond ninety days is in the app.

What it can reach

Specific sites only: 11 match patterns.

  • https://proxy-khaki-eight-20.vercel.app/*
  • https://mail.google.com/*
  • https://outlook.office.com/*
Show the remaining 8
  • https://outlook.office365.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/*
  • Run its own code on the pages it can access scripting
  • Act on the current tab, but only after you click it activeTab
  • Add items to the right-click menu contextMenus
Show the remaining 1
  • Store data in your browser storage

The full permission history for this extension

Version history

  1. Version 3.1 · Swapped which permissions it asks for (changed: site access, pages it runs its code on, browser permissions)

What changed recently

  1. Package size changed
  2. Swapped which permissions it asks for (changed: site access, pages it runs its code on, browser permissions)
  3. Store description rewritten (108 → 115 characters)
Show the remaining 1
  1. Released version 3.1 (was 2.1)

The publisher

Saleep.

Like this one

Listings the catalog judges closest in what they say they do.

  1. AI Grammar Corrector — Grammar Checker & AI Writing Assistant Describes nearly the same job, smaller audience 11 users
  2. Grammar Fixer (Gemini) Describes nearly the same job, smaller audience 90 users ★ 4.2
  3. ToBe Grammar Checker Describes nearly the same job, smaller audience 4 users
  4. OneTap Grammar Describes nearly the same job, smaller audience 10 users
  5. Grammafy — On-Device Grammar Checker Describes nearly the same job, smaller audience 2 users

The top 5 only. The full comparison, with why each one is close, is on the alternatives page; ranking a whole neighbourhood by your own criteria is in the app.

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The badge shows the audience and rating from our last pass over the store and links back to this page.

Users and rating on Ext Ops Panel

Markdown

[![Users and rating on Ext Ops Panel](https://extops.dev/extensions/jpecnjmadbehcdpnlfdoobfbohajpdel/badge.svg)](https://extops.dev/extensions/jpecnjmadbehcdpnlfdoobfbohajpdel)

HTML

<a href="https://extops.dev/extensions/jpecnjmadbehcdpnlfdoobfbohajpdel"><img src="https://extops.dev/extensions/jpecnjmadbehcdpnlfdoobfbohajpdel/badge.svg" alt="Users and rating on Ext Ops Panel" height="20"></a>

Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-10-24. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built