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uBlacklist

Chrome extension by iorate · Productivity · Tools

  • Featured
  • Established publisher

A Chrome extension in Productivity · Tools with 200 000 users, a widely installed extension.

No site access is declared in the manifest, so it cannot read the pages you open on its own.

What the developer says, and 4 screenshots

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

Users
200 000
Rating
4.4 (950 ratings)
Users, last 14 days
unchanged
Rating, last 30 days
Not watched long enough to say
Version
10.1.0
Updated in the store
2026-09-13
Published
2018-06-25
Manifest
V3
Browser access
7 permissions

How it has moved

Users
unchanged since 01.09
200k · 3 readings
2026-09-07: released 10.0.42026-09-13: released 10.1.0
  1. 2026-09-01200k
  2. 2026-09-08200k
  3. 2026-09-14200k
Rating
unchanged since 01.09
reviewsrating 4.36-4.37 · 3 readings
2026-09-07: released 10.0.42026-09-13: released 10.1.0
  1. 2026-09-01reviews949rating4.37
  2. 2026-09-08reviews950rating4.36
  3. 2026-09-14reviews950rating4.36
Users
unchanged since 01.09
200k · 3 readings
2026-09-07: released 10.0.42026-09-13: released 10.1.0
  1. 2026-09-01200k
  2. 2026-09-08200k
  3. 2026-09-14200k
Rating
unchanged since 01.09
reviewsrating 4.36-4.37 · 3 readings
2026-09-07: released 10.0.42026-09-13: released 10.1.0
  1. 2026-09-01reviews949rating4.37
  2. 2026-09-08reviews950rating4.36
  3. 2026-09-14reviews950rating4.36

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

No site access is declared in the manifest, so it cannot read the pages you open on its own.

  • Block or redirect requests on the sites it can access declarativeNetRequestWithHostAccess
  • Sign you in with a Google account identity
  • Run its own code on the pages it can access scripting
Show the remaining 4
  • Act on the current tab, but only after you click it activeTab
  • 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

Version history

  1. Version 10.1.0
  2. Version 10.0.4

What changed recently

  1. Package size changed
  2. Released version 10.1.0 (was 10.0.4)
  3. Package size changed
Show the remaining 1
  1. Released version 10.0.4 (was 10.0.3)

The publisher

iorate publishes 2 listings we track, 202k users between them.

  1. uSuperDrag iorate · Productivity · Tools · published 2018-03-20 2k users ★ 3.9

Like this one

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

  1. Google Site Blocker Describes nearly the same job, smaller audience 1k users ★ 3.4
  2. Search Blocklist Describes nearly the same job, smaller audience 15 users
  3. Locked Search Blacklist Describes nearly the same job, smaller audience 6 users
  4. Search Blocker Describes nearly the same job, smaller audience 7 users
  5. Search Domain Blocker™ Describes nearly the same job, smaller audience 23 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.