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Zenbu Browser Extension

Chrome extension by SERP · Productivity · Tools

A Chrome extension in Productivity · Tools with 11 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 2 screenshots

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

Users
11
Rating
not rated yet
Users, last 15 days
+8
Version
1.1.0
Updated in the store
2026-08-14
Published
2026-08-13
Manifest
V3
Browser access
4 permissions, 6 site patterns

How it has moved

Users
+8 since 01.09
3-11 · 7 readings
  1. 2026-09-013
  2. 2026-09-025
  3. 2026-09-056
  4. 2026-09-067
  5. 2026-09-078
  6. 2026-09-139
  7. 2026-09-1511
Users
+8 since 01.09
3-11 · 7 readings
  1. 2026-09-013
  2. 2026-09-025
  3. 2026-09-056
  4. 2026-09-067
  5. 2026-09-078
  6. 2026-09-139
  7. 2026-09-1511

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.

  • Block or redirect requests by rules it declares in advance declarativeNetRequest
  • Open a panel beside the page sidePanel
  • Store data in your browser storage
Show the remaining 1
  • Store data in your browser without the usual size limit unlimitedStorage

The full permission history for this extension

What changed recently

Nothing has moved on this listing since we started watching it.

The publisher

SERP publishes 9 listings we track, 888 users between them.

  1. SERP Design & Typography Grabber SERP · Productivity · Tools · published 2023-11-05 259 users ★ 5.0
  2. Kajabi Video Downloader SERP · Productivity · Tools · published 2026-05-19 217 users
  3. SERP Extension Manager SERP · Productivity · Tools · published 2025-03-13 133 users ★ 4.6
Show 5 more from this publisher
  1. 123movies Video Downloader SERP · Productivity · Tools · published 2026-05-25 102 users
  2. Circle Video Downloader SERP · Productivity · Tools · published 2026-05-25 102 users
  3. SERP Simple Undo Tab Close SERP · Productivity · Tools · published 2025-03-28 32 users ★ 3.0
  4. ClientClub Video Downloader SERP · Productivity · Tools · published 2026-06-09 20 users
  5. SERP Authenticator SERP · Productivity · Tools · published 2024-09-18 12 users

Like this one

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

  1. Sokutan - Instant Japanese Lookup & Dual Subs Describes nearly the same job, smaller audience 1k users ★ 4.3
  2. よむ Describes nearly the same job, smaller audience 70 users ★ 5.0
  3. Lingquill Describes nearly the same job, smaller audience 4 users
  4. Immersive Japanese — Japanese Vocabulary While Browsing Describes nearly the same job, smaller audience 44 users ★ 5.0
  5. Kitsumi Describes nearly the same job, smaller audience 27 users ★ 4.1

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.

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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.