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uBlock

Chrome extension by ublock · Productivity · Workflow

A Chrome extension in Productivity · Workflow with 1 000 000 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 3 screenshots

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

Users
1 000 000
Rating
3.4 (2 295 ratings)
Users, last 9 days
unchanged
Rating, last 30 days
Not watched long enough to say
Version
25.5.0
Updated in the store
2025-09-26
Published
2015-04-01
Manifest
V3
Browser access
9 permissions, 1 site pattern

How it has moved

Users
unchanged since 01.09
1M · 4 readings
  1. 2026-09-011M
  2. 2026-09-061M
  3. 2026-09-081M
  4. 2026-09-091M
Rating
unchanged since 01.09
reviewsrating 3.42 · 4 readings
  1. 2026-09-01reviews2.3krating3.42
  2. 2026-09-06reviews2.3krating3.42
  3. 2026-09-08reviews2.3krating3.42
  4. 2026-09-09reviews2.3krating3.42
Users
unchanged since 01.09
1M · 4 readings
  1. 2026-09-011M
  2. 2026-09-061M
  3. 2026-09-081M
  4. 2026-09-091M
Rating
unchanged since 01.09
reviewsrating 3.42 · 4 readings
  1. 2026-09-01reviews2.3krating3.42
  2. 2026-09-06reviews2.3krating3.42
  3. 2026-09-08reviews2.3krating3.42
  4. 2026-09-09reviews2.3krating3.42

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.

  • See the address and title of every tab you have open tabs
  • Watch the network requests your browser makes webRequest
  • Block or redirect requests by rules it declares in advance declarativeNetRequest
Show the remaining 6
  • See which of its blocking rules matched declarativeNetRequestFeedback
  • Run its own code on the pages it can access scripting
  • See when you navigate between pages webNavigation
  • Schedule work to run later alarms
  • Store data in your browser storage
  • Store data in your browser without the usual size limit unlimitedStorage

The full permission history for this extension

What changed recently

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

The publisher

ublock. Listed website: ublock.org.

Like this one

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

  1. Adblock Ad Blocker Pro Describes nearly the same job, with a large installed audience 300k users ★ 4.3
  2. Ad Blocker — Block Ads, Pop-ups & YouTube Ads Describes nearly the same job, smaller audience 1k users ★ 4.6
  3. Adblock Ultra Describes nearly the same job, smaller audience 1k users ★ 4.6
  4. AdBlock Pro — Advanced Ad & Tracker Blocker Describes nearly the same job, smaller audience 4 users
  5. Premium Ad Blocker Describes nearly the same job, smaller audience 337 users ★ 3.0

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.

Is this your extension?

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

See what the panel does

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.