Ext Ops Panel
Open dashboard

Korr - Free offline grammar checker, 5 languages

Chrome extension by PeekrApp · Productivity · Tools

  • Trader

A Chrome extension in Productivity · Tools with 62 users, barely installed. Audience over the last 30 days: +40.

No site access is declared in the manifest, so it cannot read the pages you open on its own.

What the developer says, and 5 screenshots

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

Users
62
Rating
5.0 (1 ratings)
Users, last 30 days
+40
Rating, last 30 days
Steady over 30 days
Version
0.8.15
Updated in the store
2026-10-13
Published
2026-09-07
Manifest
V3
Browser access
4 permissions

How it has moved

Users
+40 since 02.10
22-62 · 15 readings
2026-10-13: released 0.8.15
  1. 2026-10-0437
  2. 2026-10-0838
  3. 2026-10-0940
  4. 2026-10-1038
  5. 2026-10-1342released 0.8.15
  6. 2026-10-1641
  7. 2026-10-1845
  8. 2026-10-2146
  9. 2026-10-2245
  10. 2026-10-2349
  11. 2026-10-2450
  12. 2026-10-2549
  13. 2026-10-2755
  14. 2026-10-2962
  15. 2026-11-0162
Rating
unchanged since 02.10
reviewsrating 5.00 · 15 readings
2026-10-13: released 0.8.15
  1. 2026-10-04reviews1rating5.00
  2. 2026-10-08reviews1rating5.00
  3. 2026-10-09reviews1rating5.00
  4. 2026-10-10reviews1rating5.00
  5. 2026-10-13reviews1rating5.00released 0.8.15
  6. 2026-10-16reviews1rating5.00
  7. 2026-10-18reviews1rating5.00
  8. 2026-10-21reviews1rating5.00
  9. 2026-10-22reviews1rating5.00
  10. 2026-10-23reviews1rating5.00
  11. 2026-10-24reviews1rating5.00
  12. 2026-10-25reviews1rating5.00
  13. 2026-10-27reviews1rating5.00
  14. 2026-10-29reviews1rating5.00
  15. 2026-11-01reviews1rating5.00
Users
+62 since 08.09
0-62 · 25 readings
2026-09-08: appeared in the store2026-09-13: released 0.7.22026-09-15: released 0.8.12026-09-17: released 0.8.42026-09-20: released 0.8.52026-10-01: released 0.8.92026-10-13: released 0.8.15
  1. 2026-09-080appeared in the store
  2. 2026-09-092
  3. 2026-09-103
  4. 2026-09-137released 0.7.2
  5. 2026-09-158released 0.8.1
  6. 2026-09-169
  7. 2026-09-2014released 0.8.5
  8. 2026-09-2113
  9. 2026-09-2517
  10. 2026-09-2622
  11. 2026-10-0437
  12. 2026-10-0838
  13. 2026-10-0940
  14. 2026-10-1038
  15. 2026-10-1342released 0.8.15
  16. 2026-10-1641
  17. 2026-10-1845
  18. 2026-10-2146
  19. 2026-10-2245
  20. 2026-10-2349
  21. 2026-10-2450
  22. 2026-10-2549
  23. 2026-10-2755
  24. 2026-10-2962
  25. 2026-11-0162
Rating
+5.00 since 08.09
reviewsrating 0.00-5.00 · 25 readings
2026-09-08: appeared in the store2026-09-13: released 0.7.22026-09-15: released 0.8.12026-09-17: released 0.8.42026-09-20: released 0.8.52026-10-01: released 0.8.92026-10-13: released 0.8.15
  1. 2026-09-08reviews0rating0.00appeared in the store
  2. 2026-09-09reviews0rating0.00
  3. 2026-09-10reviews0rating0.00
  4. 2026-09-13reviews0rating0.00released 0.7.2
  5. 2026-09-15reviews0rating0.00released 0.8.1
  6. 2026-09-16reviews1rating5.00
  7. 2026-09-20reviews1rating5.00released 0.8.5
  8. 2026-09-21reviews1rating5.00
  9. 2026-09-25reviews1rating5.00
  10. 2026-09-26reviews1rating5.00
  11. 2026-10-04reviews1rating5.00
  12. 2026-10-08reviews1rating5.00
  13. 2026-10-09reviews1rating5.00
  14. 2026-10-10reviews1rating5.00
  15. 2026-10-13reviews1rating5.00released 0.8.15
  16. 2026-10-16reviews1rating5.00
  17. 2026-10-18reviews1rating5.00
  18. 2026-10-21reviews1rating5.00
  19. 2026-10-22reviews1rating5.00
  20. 2026-10-23reviews1rating5.00
  21. 2026-10-24reviews1rating5.00
  22. 2026-10-25reviews1rating5.00
  23. 2026-10-27reviews1rating5.00
  24. 2026-10-29reviews1rating5.00
  25. 2026-11-01reviews1rating5.00

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

No site access is declared in the manifest, so it cannot read the pages you open on its own.

  • Run its own code on the pages it can access scripting
  • Act on the current tab, but only after you click it activeTab
  • Run work in a hidden page offscreen
Show the remaining 1
  • Store data in your browser storage

The full permission history for this extension

Version history

  1. Version 0.8.15
  2. Version 0.8.9
  3. Version 0.8.5
Show the remaining 3
  1. Version 0.8.4
  2. Version 0.8.1
  3. Version 0.7.2 · Asked for more permissions (4, was 3)

What changed recently

  1. Package size changed
  2. Released version 0.8.15 (was 0.8.9)
  3. Package size changed
Show the remaining 9
  1. Released version 0.8.9 (was 0.8.5)
  2. Package size changed
  3. Supported languages changed (4 → 6)
  4. Released version 0.8.5 (was 0.8.4)
  5. Package size changed
  6. Renamed from "Korr - offline grammar checker, 5 languages" to "Korr - Free offline grammar checker, 5 languages"
  7. Released version 0.8.4 (was 0.8.1)
  8. Package size changed
  9. Store description rewritten

Older entries and the full day by day series are in the app.

The publisher

PeekrApp.

Like this one

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

  1. LinguaCheck — Multilingual Grammar Checker Describes nearly the same job, smaller audience 155 users ★ 5.0
  2. Correcteur Libre: free French & English grammar checker Describes nearly the same job, smaller audience 36 users
  3. LinguaCheck Describes nearly the same job, smaller audience 2 users (last published figure)
  4. Antidote Connector Describes nearly the same job, with a large installed audience 1.0M users ★ 3.4
  5. OwlyCheck: Corrector Ortográfico y Gramatical Describes nearly the same job, smaller audience 672 users ★ 5.0

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.

Want this mark on your extension in our catalog?

Verify that you are its author and you can show this mark on the card, with live banners for your site and README. How verification works

Connect it to Ext Ops Panel and see installs, uninstalls and uninstall reasons as events arrive, not as a weekly summary.

Connect it in a minute See what the panel does
Add a badge to your README or site

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/nkaobmieekjomjfocabeogenmelidpnb/badge.svg)](https://extops.dev/extensions/nkaobmieekjomjfocabeogenmelidpnb)

HTML

<a href="https://extops.dev/extensions/nkaobmieekjomjfocabeogenmelidpnb"><img src="https://extops.dev/extensions/nkaobmieekjomjfocabeogenmelidpnb/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 2026-10-29. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built