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CSS Editor

Chrome extension by Robots Dev · Productivity · Developer

A Chrome extension in Productivity · Developer with 19 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
19
Rating
5.0 (1 ratings)
Users, last 14 days
+19
Rating, last 30 days
Not watched long enough to say
Version
1.0.1
Updated in the store
2026-09-29
Published
2026-09-20
Manifest
V3
Browser access
5 permissions, 1 site pattern

How it has moved

Users
+19 since 21.09
0-19 · 6 readings
2026-09-21: appeared in the store2026-09-25: released 1.0.1
  1. 2026-09-210appeared in the store
  2. 2026-09-221
  3. 2026-09-2512released 1.0.1
  4. 2026-09-2714
  5. 2026-09-2819
  6. 2026-10-0419
Rating
+5.00 since 21.09
reviewsrating 0.00-5.00 · 6 readings
2026-09-21: appeared in the store2026-09-25: released 1.0.1
  1. 2026-09-21reviews0rating0.00appeared in the store
  2. 2026-09-22reviews0rating0.00
  3. 2026-09-25reviews1rating5.00released 1.0.1
  4. 2026-09-27reviews1rating5.00
  5. 2026-09-28reviews1rating5.00
  6. 2026-10-04reviews1rating5.00
Users
+19 since 21.09
0-19 · 6 readings
2026-09-21: appeared in the store2026-09-25: released 1.0.1
  1. 2026-09-210appeared in the store
  2. 2026-09-221
  3. 2026-09-2512released 1.0.1
  4. 2026-09-2714
  5. 2026-09-2819
  6. 2026-10-0419
Rating
+5.00 since 21.09
reviewsrating 0.00-5.00 · 6 readings
2026-09-21: appeared in the store2026-09-25: released 1.0.1
  1. 2026-09-21reviews0rating0.00appeared in the store
  2. 2026-09-22reviews0rating0.00
  3. 2026-09-25reviews1rating5.00released 1.0.1
  4. 2026-09-27reviews1rating5.00
  5. 2026-09-28reviews1rating5.00
  6. 2026-10-04reviews1rating5.00

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
  • Act on the current tab, but only after you click it activeTab
  • Add items to the right-click menu contextMenus
Show the remaining 2
  • Open a panel beside the page sidePanel
  • Store data in your browser storage

The full permission history for this extension

Version history

  1. Version 1.0.1

What changed recently

  1. Store description rewritten
  2. Released version 1.0.1 (was 1.0.0)
  3. Appeared in the store

The publisher

Robots Dev publishes 2 listings we track, 135 users between them.

  1. Robots.txt Tester Robots Dev · Productivity · Developer · published 2026-08-10 116 users ★ 5.0

Like this one

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

  1. CSS Pro Editor & Debugger Describes nearly the same job, smaller audience 197 users ★ 4.6
  2. StylePad – Visual CSS Sandbox Describes nearly the same job, smaller audience 11 users
  3. StyleForge — Live CSS Editor Describes nearly the same job, smaller audience 35 users ★ 5.0
  4. Style Editor Describes nearly the same job, smaller audience 23 users
  5. NudgeCSS Describes nearly the same job, smaller audience 12 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?

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

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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.