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Chrome devtools (under development)

Chrome extension by Yizzy · Productivity · Developer

A Chrome extension in Productivity · Developer with 150 users, barely installed.

No site access is declared in the manifest, so it cannot read the pages you open on its own.

What the developer says, and 1 screenshot

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

Users
150
Rating
not rated yet
Users, last 16 days
-2
Version
0.1
Updated in the store
2022-03-12
Published
2022-03-12
Manifest
V3
Browser access
1 permission

How it has moved

Users
-2 since 01.09
150-155 · 10 readings
  1. 2026-09-01152
  2. 2026-09-02150
  3. 2026-09-03151
  4. 2026-09-04154
  5. 2026-09-06153
  6. 2026-09-08153
  7. 2026-09-10152
  8. 2026-09-13155
  9. 2026-09-15150
  10. 2026-09-16150
Users
-2 since 01.09
150-155 · 10 readings
  1. 2026-09-01152
  2. 2026-09-02150
  3. 2026-09-03151
  4. 2026-09-04154
  5. 2026-09-06153
  6. 2026-09-08153
  7. 2026-09-10152
  8. 2026-09-13155
  9. 2026-09-15150
  10. 2026-09-16150

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

No site access is declared in the manifest, so it cannot read the pages you open on its own.

  • 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

Yizzy.

Like this one

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

  1. ScreenRuler Describes nearly the same job, smaller audience 77 users
  2. Browser Ruler Describes nearly the same job, smaller audience 60 users
  3. Devtools for Frontends Describes nearly the same job, smaller audience 42 users ★ 5.0
  4. PixelProof — Pixel Ruler, Guides & Measure Describes nearly the same job, smaller audience 11 users
  5. UI Tools Describes nearly the same job, smaller audience 42 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.