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Measurement Ruler

Chrome Web Store listing by HagensMedia.com

A Chrome extension with 558 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
558
Rating
2.5 (8 ratings)
Users, last 14 days
-7
Rating, last 30 days
Not watched long enough to say
Version
1.1
Updated in the store
2016-01-05
Published
2013-12-03
Manifest
V2
Browser access
2 permissions

How it has moved

Users
-7 since 01.09
558-585 · 8 readings
  1. 2026-09-01565
  2. 2026-09-02569
  3. 2026-09-04563
  4. 2026-09-05570
  5. 2026-09-07578
  6. 2026-09-10585
  7. 2026-09-13558
  8. 2026-09-14558
Rating
unchanged since 01.09
reviewsrating 2.50 · 8 readings
  1. 2026-09-01reviews8rating2.50
  2. 2026-09-02reviews8rating2.50
  3. 2026-09-04reviews8rating2.50
  4. 2026-09-05reviews8rating2.50
  5. 2026-09-07reviews8rating2.50
  6. 2026-09-10reviews8rating2.50
  7. 2026-09-13reviews8rating2.50
  8. 2026-09-14reviews8rating2.50
Users
-7 since 01.09
558-585 · 8 readings
  1. 2026-09-01565
  2. 2026-09-02569
  3. 2026-09-04563
  4. 2026-09-05570
  5. 2026-09-07578
  6. 2026-09-10585
  7. 2026-09-13558
  8. 2026-09-14558
Rating
unchanged since 01.09
reviewsrating 2.50 · 8 readings
  1. 2026-09-01reviews8rating2.50
  2. 2026-09-02reviews8rating2.50
  3. 2026-09-04reviews8rating2.50
  4. 2026-09-05reviews8rating2.50
  5. 2026-09-07reviews8rating2.50
  6. 2026-09-10reviews8rating2.50
  7. 2026-09-13reviews8rating2.50
  8. 2026-09-14reviews8rating2.50

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.

  • Show you notifications notifications
  • 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

HagensMedia.com publishes 11 listings we track, 25k users between them. Listed website: onlinerulerfree.com.

  1. Virtual Dice Rolling HagensMedia.com · published 2013-12-09 6k users ★ 2.6
  2. World Map HagensMedia.com · published 2014-01-02 5k users ★ 3.0
  3. Fireplace HagensMedia.com · published 2013-11-05 4k users ★ 3.6
Show 5 more from this publisher
  1. Flashlight HagensMedia.com · published 2013-10-09 3k users ★ 3.0
  2. Notepad List HagensMedia.com · published 2013-11-21 2k users ★ 4.2
  3. Typing WPM Test HagensMedia.com · published 2014-01-02 2k users ★ 2.6
  4. Webcam Mirror HagensMedia.com · published 2013-11-14 1k users ★ 2.0
  5. Virtual Coin Flip HagensMedia.com · published 2013-12-09 1k users ★ 2.7

Like this one

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

  1. Accurate Ruler Describes nearly the same job, with an established audience 40k users ★ 4.1
  2. Edge: The Web Ruler Describes nearly the same job, with an established audience 30k users ★ 3.4
  3. Quick Ruler Guide Describes nearly the same job, smaller audience 8 users
  4. RulerFlow – Page Ruler Describes nearly the same job, smaller audience 1 users (last published figure)
  5. Metric Spy Page Ruler Describes nearly the same job, with an established audience 20k users ★ 5.0

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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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.