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ProWritingAid: Grammar Checker & Paraphrasing Tool

Chrome extension by Orpheus Technology · Productivity · Workflow

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  • Established publisher
  • Trader

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

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

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
4.8 (7 042 ratings)
Users, last 30 days
Unchanged
Rating, last 30 days
Steady over 30 days
Version
2.9.22748
Updated in the store
2026-10-01
Published
2018-04-09
Manifest
V3
Browser access
9 permissions, 2 site patterns

How it has moved

Users
unchanged since 07.09
200k · 8 readings
2026-09-10: released 2.8.634632026-09-15: released 2.9.19542026-09-17: released 2.9.64162026-09-24: released 2.9.141242026-09-28: released 2.9.169762026-10-01: released 2.9.22748
  1. 2026-09-08200k
  2. 2026-09-15200kreleased 2.9.1954
  3. 2026-09-21200k
  4. 2026-09-25200k
  5. 2026-09-27200k
  6. 2026-09-28200kreleased 2.9.16976
  7. 2026-10-04200k
  8. 2026-10-07200k
Rating
unchanged since 07.09
reviewsrating 4.82 · 8 readings
2026-09-10: released 2.8.634632026-09-15: released 2.9.19542026-09-17: released 2.9.64162026-09-24: released 2.9.141242026-09-28: released 2.9.169762026-10-01: released 2.9.22748
  1. 2026-09-08reviews7krating4.82
  2. 2026-09-15reviews7krating4.82released 2.9.1954
  3. 2026-09-21reviews7krating4.82
  4. 2026-09-25reviews7krating4.82
  5. 2026-09-27reviews7krating4.82
  6. 2026-09-28reviews7krating4.82released 2.9.16976
  7. 2026-10-04reviews7krating4.82
  8. 2026-10-07reviews7krating4.82
Users
unchanged since 01.09
200k · 9 readings
2026-09-03: released 2.8.548762026-09-10: released 2.8.634632026-09-15: released 2.9.19542026-09-17: released 2.9.64162026-09-24: released 2.9.141242026-09-28: released 2.9.169762026-10-01: released 2.9.22748
  1. 2026-09-01200k
  2. 2026-09-08200k
  3. 2026-09-15200kreleased 2.9.1954
  4. 2026-09-21200k
  5. 2026-09-25200k
  6. 2026-09-27200k
  7. 2026-09-28200kreleased 2.9.16976
  8. 2026-10-04200k
  9. 2026-10-07200k
Rating
unchanged since 01.09
reviewsrating 4.82 · 9 readings
2026-09-03: released 2.8.548762026-09-10: released 2.8.634632026-09-15: released 2.9.19542026-09-17: released 2.9.64162026-09-24: released 2.9.141242026-09-28: released 2.9.169762026-10-01: released 2.9.22748
  1. 2026-09-01reviews7krating4.82
  2. 2026-09-08reviews7krating4.82
  3. 2026-09-15reviews7krating4.82released 2.9.1954
  4. 2026-09-21reviews7krating4.82
  5. 2026-09-25reviews7krating4.82
  6. 2026-09-27reviews7krating4.82
  7. 2026-09-28reviews7krating4.82released 2.9.16976
  8. 2026-10-04reviews7krating4.82
  9. 2026-10-07reviews7krating4.82

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 6
  • Run its own code on the pages it can access scripting
  • Schedule work to run later alarms
  • Put data on your clipboard clipboardWrite
  • Run work in a hidden page offscreen
  • Open a panel beside the page sidePanel
  • Store data in your browser storage

The full permission history for this extension

Version history

  1. Version 2.9.22748
  2. Version 2.9.16976
  3. Version 2.9.14124
Show the remaining 4
  1. Version 2.9.6416
  2. Version 2.9.1954
  3. Version 2.8.63463
  4. Version 2.8.54876

What changed recently

  1. Package size changed
  2. Released version 2.9.22748 (was 2.9.16976)
  3. Package size changed
Show the remaining 9
  1. Released version 2.9.16976 (was 2.9.14124)
  2. Package size changed
  3. Released version 2.9.14124 (was 2.9.6416)
  4. Package size changed
  5. Released version 2.9.6416 (was 2.9.1954)
  6. Package size changed
  7. Released version 2.9.1954 (was 2.8.63463)
  8. Package size changed
  9. Released version 2.8.63463 (was 2.8.54876)

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

The publisher

Orpheus Technology. Listed website: prowritingaid.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. Outwrite — Grammar checker & rewrite tool Describes nearly the same job, with an established audience 20k users ★ 4.4
  3. Grammarly: AI Writing Assistant and Grammar Checker App Describes nearly the same job, with a large installed audience 41.0M users ★ 4.5
  4. SmartWrite Describes nearly the same job, smaller audience 3 users (last published figure)
  5. Revise text Describes nearly the same job, smaller audience 31 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.

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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.