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Black Curtain

Chrome extension by pritammajumder2007.backup · Productivity · Tools

A Chrome extension in Productivity · Tools with 7 users, barely installed.

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
7
Rating
not rated yet
Users, last 16 days
+2
Version
1.0.0
Updated in the store
2025-08-16
Published
2025-08-16
Manifest
V3
Browser access
2 permissions, 2 site patterns

How it has moved

Users
+2 since 01.09
5-7 · 8 readings
  1. 2026-09-015
  2. 2026-09-026
  3. 2026-09-045
  4. 2026-09-056
  5. 2026-09-075
  6. 2026-09-086
  7. 2026-09-157
  8. 2026-09-167
Users
+2 since 01.09
5-7 · 8 readings
  1. 2026-09-015
  2. 2026-09-026
  3. 2026-09-045
  4. 2026-09-056
  5. 2026-09-075
  6. 2026-09-086
  7. 2026-09-157
  8. 2026-09-167

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.

  • Schedule work to run later alarms
  • 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

pritammajumder2007.backup publishes 4 listings we track, 44 users between them.

  1. GO- URL Shortcuts pritammajumder2007.backup · Productivity · Tools · published 2025-08-22 31 users ★ 1.0
  2. Taggy – Tag, Note & Rate Any Page (Free + Pro) pritammajumder2007.backup · Productivity · Tools · published 2025-08-12 3 users (last published figure)
  3. QuickIndex pritammajumder2007.backup · Productivity · Tools · published 2025-08-15 3 users

Like this one

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

  1. Privacy Blackout Premium Describes nearly the same job, smaller audience 5 users ★ 5.0
  2. Password Lock Tabs & Webpages Describes nearly the same job, smaller audience 13 users
  3. Website Password Protector Describes nearly the same job, smaller audience 84 users
  4. Tab Locker - Password Protect Browser Tabs Describes nearly the same job, smaller audience 52 users
  5. PageGuard Describes nearly the same job, smaller audience 9 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.

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.