Extension Tracker

Screen Ruler - Measure and Inspect the Web

50,000 users Rated 4.25 from 63 ratings Last updated 28 Oct 2026

By Mr Violets Live in the Chrome Web Store jfbbgijjljfbolelfkopkhbfjajjampm Search Google ↗ Last checked 12 Nov 2026, 02:20 UTC

The listing

What the Chrome Web Store shows, as of the last check

Web inspector for designers & developers. Measure elements, extract CSS & colors, capture screenshots & more.Summary from the listing
Developer
Mr Violets
Enhanced Safe Browsing
Trusted. What this means →
Category
Productivity › Developer Tools
First published
29 Mar 2024
Last updated
28 Oct 2026
Version
4.21.1
Size
1.0 MiB
Minimum Chrome
116
Languages
22 languages

Deutsch, English, Indonesia, Nederlands, Tiếng Việt, Türkçe, español, français, italiano, polski, português (Brasil), português (Portugal), čeština, русский, українська, العربية, हिन्दी, ไทย, 中文（中国）, 中文（台灣）, 日本語, 한국어

Website
screen-ruler.com
See Chrome Web Store page ↗ View its code or download CRX ↗
Users over time As shown on the Chrome Web Store
50K60K70KTracking began 27 Sep 202627 Sep4 Oct11 Oct18 Oct25 Oct1 Nov8 Nov2026-09-27: 60,000 users2026-09-30: 60,000 users2026-10-06: 60,000 users2026-10-14: 60,000 users2026-10-16: 60,000 users2026-10-19: 70,000 users2026-10-21: 70,000 users2026-10-23: 70,000 users2026-10-24: 70,000 users2026-10-26: 70,000 users2026-10-29: 60,000 users2026-11-04: 50,000 users2026-11-12: 50,000 users2026-10-29: new version2026-10-26: new version2026-10-24: new version2026-10-23: new version2026-10-21: new version2026-10-19: new version2026-10-16: new version2026-09-30: new version50,00050K60K70KTracking began27 Sep18 Oct8 Nov2026-09-27: 60,000 users2026-09-30: 60,000 users2026-10-06: 60,000 users2026-10-14: 60,000 users2026-10-16: 60,000 users2026-10-19: 70,000 users2026-10-21: 70,000 users2026-10-23: 70,000 users2026-10-24: 70,000 users2026-10-26: 70,000 users2026-10-29: 60,000 users2026-11-04: 50,000 users2026-11-12: 50,000 users2026-10-29: new version2026-10-26: new version2026-10-24: new version2026-10-23: new version2026-10-21: new version2026-10-19: new version2026-10-16: new version2026-09-30: new version50K
Average rating
4.204.3027 Sep11 Oct25 Oct8 Nov4.254.204.3027 Sep18 Oct8 Nov4.25
Number of ratings
626327 Sep11 Oct25 Oct8 Nov63626327 Sep18 Oct8 Nov63
New version One point per check. Source: the extension's public Chrome Web Store listing.
Show the numbers
CheckedUsersRatingRatings
2026-11-1250,0004.2563
2026-11-0450,0004.2962
2026-10-2960,0004.2962
2026-10-2670,0004.2962
2026-10-2470,0004.2962
2026-10-2370,0004.2962
2026-10-2170,0004.2962
2026-10-1970,0004.2962
2026-10-1660,0004.2962
2026-10-1460,0004.2962
2026-10-0660,0004.2962
2026-09-3060,0004.2962
2026-09-2760,0004.2962
Users, 7 days
No change
since a week ago
Users, 30 days
−10,000
-16.7%
Rank
#2,466
by users, of 292,131 extensions
In its category
#222
of 30,442 in Developer Tools

What changed

Every change found on a check, newest first

  1. New version 4.21.1, replacing 4.21.0.

  2. New version 4.21.0, replacing 4.20.1.

  3. New version 4.20.1, replacing 4.20.0.

  4. New version 4.20.0, replacing 4.19.0.

  5. New version 4.19.0, replacing 4.18.1.

  6. New version 4.18.1, replacing 4.18.0.

  7. New version 4.18.0, replacing 4.17.0.

  8. New version 4.17.0, replacing 4.16.2.

Developer history

Moves to another publisher account and new contact emails, newest first

No move to another account and no new contact email since tracking began on 27 Sep 2026.

We know contact emails only by a keyed hash, so they're never shown. Recent account and contact changes →

What it can access

From the extension's manifest, in plain language

Browser features
  • activeTabThe tab you're on, only after you click the extension
  • contextMenusAdd items to the right-click menu
  • declarativeContentAct on what a page contains, without reading it
  • declarativeNetRequestWithHostAccessBlock or change network requests on the sites it can reach
  • offscreenOpen a hidden page for background work
  • scriptingRun scripts on sites it can reach
  • sidePanelShow a side panel
  • storageSave settings and data in your browser
Asked for later, if you agree
  • clipboardWriteChange what's in your clipboard
  • downloadsManage your downloads
  • <all_urls>Every website

More from this developer

Other extensions from the same publisher account

ExtensionUsersRatingRatingsCategory
Stay Awake: Keep Your Computer Awake10,000 4.504 Workflow & Planning
UI Inspector - Visual CSS Editor5,000 4.0021 Developer Tools
Marble: Automatically Organized Tab Groups2,000 4.5026 Workflow & Planning
Deep Tab Search: Tab Switcher & Search886 3.2512 Workflow & Planning
Quilt - Tiling Window Manager764 5.003 Workflow & Planning
CSS Viewer - Inspect & Copy Any Element's CSS473 –– Developer Tools
Pointer - Element Inspector for DevTools202 3.002 Developer Tools
Responsive Tester - Mobile View, Breakpoint Checker & CSS Editor89 –– Developer Tools
Hintly - AI Meeting Assistant for Google Meet™87 –– Communication
AltCue - Tab Switcher– 1.001 Functionality & UI
All 11 extensions by Mr Violets →

About this data

Collected from the extension's public Chrome Web Store listing. It's checked every week, because it has 1,000 or more users, and again whenever a new version appears. Last checked 12 Nov 2026, 02:20 UTC; next check around 19 Nov 2026.

How we collect the data

Cite this page

Citation
Extension Tracker. “Screen Ruler - Measure and Inspect the Web” (jfbbgijjljfbolelfkopkhbfjajjampm). Chrome Web Store data, last checked 2026-11-12. https://extensiontracker.com/extension/jfbbgijjljfbolelfkopkhbfjajjampm. Accessed 2026-11-13.
BibTeX
@misc{extensiontracker_jfbbgijjljfbolelfkopkhbfjajjampm,
  title   = {Screen Ruler - Measure and Inspect the Web (jfbbgijjljfbolelfkopkhbfjajjampm)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-11-12},
  url     = {https://extensiontracker.com/extension/jfbbgijjljfbolelfkopkhbfjajjampm},
  urldate = {2026-11-13}
}

The data is free to reuse under CC BY 4.0.

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