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Outer Box Ruler

Chrome extension by altiveil.com · Productivity · Developer

A Chrome extension in Productivity · Developer with 4 users, barely installed. Audience over the last 30 days: +3.

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

What the developer says, and 3 screenshots

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

Users
4
Rating
not rated yet
Users, last 30 days
+3
Version
1.3.0
Updated in the store
2026-08-24
Published
2026-08-22
Manifest
V3
Browser access
4 permissions

How it has moved

Users
+3 since 01.10
1-5 · 14 readings
  1. 2026-10-044
  2. 2026-10-105
  3. 2026-10-134
  4. 2026-10-175
  5. 2026-10-184
  6. 2026-10-205
  7. 2026-10-213
  8. 2026-10-234
  9. 2026-10-243
  10. 2026-10-254
  11. 2026-10-283
  12. 2026-10-295
  13. 2026-10-304
  14. 2026-10-314
Users
+1 since 31.08
0-5 · 22 readings
  1. 2026-08-313
  2. 2026-09-020
  3. 2026-09-043
  4. 2026-09-073
  5. 2026-09-080
  6. 2026-09-174
  7. 2026-09-213
  8. 2026-09-281
  9. 2026-10-044
  10. 2026-10-105
  11. 2026-10-134
  12. 2026-10-175
  13. 2026-10-184
  14. 2026-10-205
  15. 2026-10-213
  16. 2026-10-234
  17. 2026-10-243
  18. 2026-10-254
  19. 2026-10-283
  20. 2026-10-295
  21. 2026-10-304
  22. 2026-10-314

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing up to 2 times 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.

  • 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 1
  • 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

altiveil.com publishes 2 listings we track, 7 users between them.

  1. Peaceful Web Translator - ポジティブ変換定規 altiveil.com · Make Chrome Yours · Accessibility · published 2026-08-24 3 users

Like this one

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

  1. Page Ruler Pro Describes nearly the same job, smaller audience 26 users ★ 5.0
  2. Smart Ruler Describes nearly the same job, smaller audience 15 users
  3. One Ruler Describes nearly the same job, smaller audience 3 users ★ 5.0
  4. Measuremate — Pixel Ruler for Web Design Describes nearly the same job, with an established audience 30k users ★ 4.3
  5. Simple Ruler Describes nearly the same job, smaller audience 6k users ★ 4.4

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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Users and rating on Ext Ops Panel

Markdown

[![Users and rating on Ext Ops Panel](https://extops.dev/extensions/gnbbcekkchmhacoiephiodapffpjcdid/badge.svg)](https://extops.dev/extensions/gnbbcekkchmhacoiephiodapffpjcdid)

HTML

<a href="https://extops.dev/extensions/gnbbcekkchmhacoiephiodapffpjcdid"><img src="https://extops.dev/extensions/gnbbcekkchmhacoiephiodapffpjcdid/badge.svg" alt="Users and rating on Ext Ops Panel" height="20"></a>

Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-10-30. We publish no contact details for extension developers.

Where the data comes from: how the catalog is built