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JustDone: GPT-4o AI Writing Assistant & Grammar Checker

Chrome extension by justdone-extension · Productivity · Workflow

  • Established publisher

A Chrome extension in Productivity · Workflow with 200 000 users, a widely installed extension. Audience over the last 30 days: unchanged.

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
200 000
Rating
3.7 (274 ratings)
Users, last 30 days
Unchanged (the store rounds this count to 100 000, so it moves only between steps)
Rating, last 30 days
Steady over 30 days
Version
1.5.1
Updated in the store
2025-11-24
Published
2023-12-06
Manifest
V3
Browser access
3 permissions

How it has moved

Users
unchanged since 28.09
200k · 5 readings
  1. 2026-10-08200k
  2. 2026-10-09200k
  3. 2026-10-14200k
  4. 2026-10-16200k
  5. 2026-10-28200k
Rating
-0.02 since 28.09
reviewsrating 3.63-3.69 · 5 readings
  1. 2026-10-08reviews271rating3.68
  2. 2026-10-09reviews272rating3.69
  3. 2026-10-14reviews272rating3.63
  4. 2026-10-16reviews273rating3.63
  5. 2026-10-28reviews274rating3.65
Users
unchanged since 01.09
200k · 8 readings
  1. 2026-09-01200k
  2. 2026-09-03200k
  3. 2026-09-17200k
  4. 2026-10-08200k
  5. 2026-10-09200k
  6. 2026-10-14200k
  7. 2026-10-16200k
  8. 2026-10-28200k
Rating
-0.03 since 01.09
reviewsrating 3.63-3.69 · 8 readings
  1. 2026-09-01reviews268rating3.68
  2. 2026-09-03reviews269rating3.69
  3. 2026-09-17reviews270rating3.68
  4. 2026-10-08reviews271rating3.68
  5. 2026-10-09reviews272rating3.69
  6. 2026-10-14reviews272rating3.63
  7. 2026-10-16reviews273rating3.63
  8. 2026-10-28reviews274rating3.65

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.

  • See the address and title of every tab you have open tabs
  • Add items to the right-click menu contextMenus
  • Store data in your browser storage

The full permission history for this extension

What changed recently

Nothing has moved on this listing since we started watching it.

The publisher

justdone-extension. Listed website: justdone.ai.

Like this one

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

  1. Grammar Check Pro Describes nearly the same job, smaller audience 3 users (last published figure)
  2. Grammar Guardian Describes nearly the same job, smaller audience 18 users ★ 5.0
  3. Grammar Flow Describes nearly the same job, smaller audience 85 users ★ 4.0
  4. Oops: Got Your Back - Grammar Checker Describes nearly the same job, smaller audience 9 users ★ 5.0
  5. Grammai: AI Grammar Checker (GPT-Powered) Describes nearly the same job, smaller audience 651 users ★ 1.0

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.

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Users and rating on Ext Ops Panel

Markdown

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

HTML

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Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-10-28. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built