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YouTube Comment Custom CSS Tester

Chrome extension by キィー · Productivity · Tools

A Chrome extension in Productivity · Tools with 86 users, barely installed.

Specific sites only: 2 match patterns.

What the developer says, and 2 screenshots

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

Users
86
Rating
5.0 (1 ratings)
Users, last 16 days
+6
Rating, last 30 days
Not watched long enough to say
Version
0.1.3
Updated in the store
2024-08-20
Published
2021-12-19
Manifest
V3
Browser access
2 permissions, 2 site patterns

How it has moved

Users
+6 since 31.08
80-88 · 8 readings
  1. 2026-08-3180
  2. 2026-09-0486
  3. 2026-09-0687
  4. 2026-09-0786
  5. 2026-09-0988
  6. 2026-09-1087
  7. 2026-09-1386
  8. 2026-09-1586
Rating
unchanged since 31.08
reviewsrating 5.00 · 8 readings
  1. 2026-08-31reviews1rating5.00
  2. 2026-09-04reviews1rating5.00
  3. 2026-09-06reviews1rating5.00
  4. 2026-09-07reviews1rating5.00
  5. 2026-09-09reviews1rating5.00
  6. 2026-09-10reviews1rating5.00
  7. 2026-09-13reviews1rating5.00
  8. 2026-09-15reviews1rating5.00
Users
+6 since 31.08
80-88 · 8 readings
  1. 2026-08-3180
  2. 2026-09-0486
  3. 2026-09-0687
  4. 2026-09-0786
  5. 2026-09-0988
  6. 2026-09-1087
  7. 2026-09-1386
  8. 2026-09-1586
Rating
unchanged since 31.08
reviewsrating 5.00 · 8 readings
  1. 2026-08-31reviews1rating5.00
  2. 2026-09-04reviews1rating5.00
  3. 2026-09-06reviews1rating5.00
  4. 2026-09-07reviews1rating5.00
  5. 2026-09-09reviews1rating5.00
  6. 2026-09-10reviews1rating5.00
  7. 2026-09-13reviews1rating5.00
  8. 2026-09-15reviews1rating5.00

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

Specific sites only: 2 match patterns.

  • https://www.youtube.com/live_chat
  • https://studio.youtube.com/live_chat
  • Act on the current tab, but only after you click it activeTab
  • 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

キィー publishes 9 listings we track, 742 users between them. Listed website: kii-memo.blogspot.com.

  1. Item View for Tiwtcasting キィー · Lifestyle · Social · published 2020-10-27 275 users
  2. Go to Tiwtcas Broadcastertool キィー · Lifestyle · Social · published 2020-10-24 130 users
  3. Item Monitor for TiwtCasting キィー · Lifestyle · Social · published 2021-02-16 116 users
Show 5 more from this publisher
  1. Twitcas Comment Custom CSS Tester キィー · Productivity · Tools · published 2021-12-09 49 users
  2. Akaji Alert Bot for Twitcasting キィー · Make Chrome Yours · Accessibility · published 2023-01-08 40 users
  3. Twitch Chat Comments Ovelay Custom CSS Tester キィー · Productivity · Tools · published 2024-05-19 30 users
  4. Pyukoru Kingdom Bot (Unofficial) キィー · Lifestyle · Social · published 2021-12-04 9 users
  5. Dancing Osakana Youtube Video List キィー · Productivity · Tools · published 2021-04-14 7 users

Like this one

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

  1. Twitcas Comment Custom CSS Tester Describes nearly the same job, smaller audience 49 users
  2. CSS Injector Describes nearly the same job, smaller audience 5 users
  3. Style+ Describes nearly the same job, smaller audience 3 users
  4. CSS Injector Describes nearly the same job, smaller audience 343 users
  5. CSS Dev Tool Describes nearly the same job, smaller audience 5 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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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.