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Outwrite — Grammar checker & rewrite tool

Chrome extension by Outwrite · Productivity · Education

  • Featured
  • Established publisher
  • Trader

A Chrome extension in Productivity · Education with 20 000 users, an established extension.

Every site you visit. This extension can read and change the content of any page you open.

What the developer says, and 6 screenshots

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

Users
20 000
Rating
4.4 (113 ratings)
Users, last 18 days
unchanged
Rating, last 30 days
Not watched long enough to say
Version
11.0.0
Updated in the store
2025-05-17
Published
2019-04-09
Manifest
V3
Browser access
8 permissions, 1 site pattern

How it has moved

Users
unchanged since 01.09
20k · 2 readings
  1. 2026-09-0120k
  2. 2026-09-1820k
Rating
unchanged since 01.09
reviewsrating 4.40 · 2 readings
  1. 2026-09-01reviews113rating4.40
  2. 2026-09-18reviews113rating4.40
Users
unchanged since 01.09
20k · 2 readings
  1. 2026-09-0120k
  2. 2026-09-1820k
Rating
unchanged since 01.09
reviewsrating 4.40 · 2 readings
  1. 2026-09-01reviews113rating4.40
  2. 2026-09-18reviews113rating4.40

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

What it can reach

Every site you visit. This extension can read and change the content of any page you open.

  • Read what you have copied clipboardRead
  • Read and change cookies on the sites it can access cookies
  • See the address and title of every tab you have open tabs
Show the remaining 5
  • Run its own code on the pages it can access scripting
  • Schedule work to run later alarms
  • Put data on your clipboard clipboardWrite
  • Show you notifications notifications
  • 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

Outwrite. Listed website: outwrite.com.

Like this one

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

  1. JustDone: GPT-4o AI Writing Assistant & Grammar Checker Describes nearly the same job, with a large installed audience 200k users ★ 3.7
  2. Linguix: Grammar Checker and AI Writing App Describes nearly the same job, with an established audience 30k users ★ 4.5
  3. Grammar Check Pro Describes nearly the same job, smaller audience 3 users (last published figure)
  4. Grammar Checker Describes nearly the same job, smaller audience 24 users
  5. Grammarly: AI Writing Assistant and Grammar Checker App Describes nearly the same job, with a large installed audience 40.0M users ★ 4.5

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.

Is this your extension?

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Figures come from our own daily pass over the public Chrome Web Store listing, last read on . We publish no contact details for extension developers.