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Tampermonkey

Chrome extension by Jan Biniok · Productivity · Workflow

  • Featured
  • Established publisher

A Chrome extension in Productivity · Workflow with 12 000 000 users, one of the largest listings in the store.

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
12 000 000
Rating
4.7 (73 038 ratings)
Users, last 9 days
unchanged
Rating, last 30 days
Not watched long enough to say
Version
5.5.0
Updated in the store
2026-05-09
Published
2010-05-25
Manifest
V3
Browser access
17 permissions, 1 site pattern

How it has moved

Users
unchanged since 01.09
12M · 8 readings
  1. 2026-09-0112M
  2. 2026-09-0212M
  3. 2026-09-0412M
  4. 2026-09-0512M
  5. 2026-09-0612M
  6. 2026-09-0712M
  7. 2026-09-0812M
  8. 2026-09-0912M
Rating
unchanged since 01.09
reviewsrating 4.73 · 8 readings
  1. 2026-09-01reviews73krating4.73
  2. 2026-09-02reviews73krating4.73
  3. 2026-09-04reviews73krating4.73
  4. 2026-09-05reviews73krating4.73
  5. 2026-09-06reviews73krating4.73
  6. 2026-09-07reviews73krating4.73
  7. 2026-09-08reviews73krating4.73
  8. 2026-09-09reviews73krating4.73
Users
unchanged since 01.09
12M · 8 readings
  1. 2026-09-0112M
  2. 2026-09-0212M
  3. 2026-09-0412M
  4. 2026-09-0512M
  5. 2026-09-0612M
  6. 2026-09-0712M
  7. 2026-09-0812M
  8. 2026-09-0912M
Rating
unchanged since 01.09
reviewsrating 4.73 · 8 readings
  1. 2026-09-01reviews73krating4.73
  2. 2026-09-02reviews73krating4.73
  3. 2026-09-04reviews73krating4.73
  4. 2026-09-05reviews73krating4.73
  5. 2026-09-06reviews73krating4.73
  6. 2026-09-07reviews73krating4.73
  7. 2026-09-08reviews73krating4.73
  8. 2026-09-09reviews73krating4.73

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 and change cookies on the sites it can access cookies
  • See the address and title of every tab you have open tabs
  • Watch the network requests your browser makes webRequest
Show the remaining 14
  • Block or alter network requests before they are sent webRequestBlocking
  • Block or redirect requests on the sites it can access declarativeNetRequestWithHostAccess
  • Run its own code on the pages it can access scripting
  • See when you navigate between pages webNavigation
  • Schedule work to run later alarms
  • Declares chrome://favicon/
  • Put data on your clipboard clipboardWrite
  • Add items to the right-click menu contextMenus
  • Tell whether you are away from the computer idle
  • Show you notifications notifications
  • Run work in a hidden page offscreen
  • Store data in your browser storage
  • Store data in your browser without the usual size limit unlimitedStorage
  • Declares userScripts

The full permission history for this extension

What changed recently

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

The publisher

Jan Biniok publishes 3 listings we track, 12.7M users between them. Listed website: tampermonkey.net.

  1. Tampermonkey BETA Jan Biniok · Productivity · Developer · published 2011-03-29 700k users ★ 4.8
  2. Tampermonkey Editors Jan Biniok · Productivity · Developer · published 2022-12-03 10k users ★ 4.4

Like this one

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

  1. Tampermonkey BETA Describes nearly the same job, with a large installed audience 700k users ★ 4.8
  2. ScriptVault Describes nearly the same job, smaller audience 131 users ★ 3.5
  3. ScriptCat Describes nearly the same job, with a large installed audience 100k users ★ 4.5
  4. Super Script Runner Describes nearly the same job, smaller audience 11 users ★ 5.0
  5. ScriptFlow Describes a similar job, smaller audience 3 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.

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.