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DARKCAT

Chrome extension by Harvey · Productivity · Tools

A Chrome extension in Productivity · Tools with 0 users, no reported installs.

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

What the developer says, and 4 screenshots

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

Users
not published (the store states no audience for this listing)
Rating
not rated yet
Users, last 5 days
unchanged
Version
2.0.86
Updated in the store
2026-10-01
Published
2026-09-29
Manifest
V3
Browser access
4 permissions, 1 site pattern

How it has moved

Users
unchanged since 30.09
0 · 2 readings
2026-09-30: appeared in the store2026-10-02: released 2.0.86
  1. 2026-09-300appeared in the store
  2. 2026-10-040
Users
unchanged since 30.09
0 · 2 readings
2026-09-30: appeared in the store2026-10-02: released 2.0.86
  1. 2026-09-300appeared in the store
  2. 2026-10-040

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.

  • Run its own code on the pages it can access scripting
  • Schedule work to run later alarms
  • Change your browser's font settings fontSettings
Show the remaining 1
  • Store data in your browser storage

The full permission history for this extension

Version history

  1. Version 2.0.86

What changed recently

  1. Package size changed
  2. Released version 2.0.86 (was 2.0.76)
  3. Appeared in the store

The publisher

Harvey.

Like this one

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

  1. Dusk Reader Describes nearly the same job, smaller audience 37 users ★ 5.0
  2. DarkLux - Premium Dark Mode Describes nearly the same job, smaller audience 1 user
  3. WOW Dark Reader - Universal Dark Mode Describes nearly the same job, smaller audience 24 users ★ 5.0
  4. Noirify - Enhanced Dark Mode Describes nearly the same job, smaller audience 6 users
  5. Dark Mode Pro Describes nearly the same job, smaller audience 12 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.