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YOHAKU

Chrome extension by myktoshihide · Productivity · Developer

A Chrome extension in Productivity · Developer with 1 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
1
Rating
not rated yet
Users, last 4 days
+1
Version
1.0.0
Updated in the store
2026-09-11
Published
2026-09-11
Manifest
V3
Browser access
4 permissions

How it has moved

Users
+1 since 12.09
0-1 · 2 readings
2026-09-12: appeared in the store
  1. 2026-09-120appeared in the store
  2. 2026-09-151
Users
+1 since 12.09
0-1 · 2 readings
2026-09-12: appeared in the store
  1. 2026-09-120appeared in the store
  2. 2026-09-151

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.

  • Attach to pages the way developer tools do debugger
  • Run its own code on the pages it can access scripting
  • Act on the current tab, but only after you click it activeTab
Show the remaining 1
  • Store data in your browser storage

The full permission history for this extension

What changed recently

  1. Appeared in the store

The publisher

myktoshihide publishes 5 listings we track, 255 users between them.

  1. スペースチェッカー myktoshihide · Productivity · Developer · published 2024-04-17 225 users
  2. Image Insights myktoshihide · Productivity · Developer · published 2024-04-08 18 users
  3. 【GitHub Actions】デプロイ完了お知らせくん myktoshihide · Productivity · Tools · published 2025-10-26 6 users
Show 1 more from this publisher
  1. GitHubに草を生やそう myktoshihide · Lifestyle · Entertainment · published 2024-04-22 5 users

Like this one

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

  1. NoF12 Frontend Fast Check Describes nearly the same job, smaller audience 1 user
  2. Measure Gaps Describes nearly the same job, smaller audience 6 users
  3. Spacing Inspector Describes nearly the same job, smaller audience 7 users
  4. CSS Spacing Inspector Describes nearly the same job, smaller audience 155 users
  5. Pixel Gap Inspector 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.

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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.