Protractor
Tools
Easily measure angles in your browser window.
Users
70K
Rating
4.2
Reviews
107
7D Growth
0|0%
Growth signalNo paid features detectedMedium-risk permissions
On-screen Ruler
On-screen resizable, draggable, rotatable and customizable ruler - perfect for anyone who needs precise measurements at a glance.
Users339Current public install base
Rating4.0Store average score
Reviews4Public review volume
Manifest versionV3Extension platform version
7-day growth+12Net users gained this week
7-day growth rate+3.67%Relative weekly velocity
Preview
5 assetsOn-screen Ruler Media preview
Trend
User growth trend
Review user movement across collected snapshots.
User Growth Over Time
Rating trend
7-day rating trend
View collected rating snapshots from the latest 7-day window to assess rating stability.
7-day rating change
Start
4.00
Latest
4.00
7-day rating change
0.00
2026年6月10日2026年6月16日
Growth overview
Daily, weekly, and monthly growth
Compare 1-day, 7-day, and 30-day net growth and growth rate.
1-day growthDeclining
-1-0.29%7-day growthGrowing
+12+3.67%30-day growthGrowing
+9+2.73%Technical snapshot
Version, languages, and crawl freshness
Review publication date, version, supported languages, and crawl timestamps.
Version1.1.1
ManifestV3
Size300KiB
Languages1English
Published
Store updated
Last crawled
English
Overview
Product summary
Review the store description, core capabilities, and common use cases.
Introducing our versatile and comprehensive on-screen ruler extension for Chrome – the ultimate tool for precision measurement right at your fingertips. Designed for professionals, designers, educators, and hobbyists alike, this extension allows you to quickly and easily measure elements on your screen with unparalleled accuracy.
On-screen Features:
* Accessible: Quickly display or hide the ruler with a simple keyboard shortcut (Ctrl + Q). To remove it, just simply focus on the ruler and press Delete on your keyboard.
* Resizable: Effortlessly adjust the size of the ruler from the right bottom corner of it to suit your specific needs. Whether you’re measuring small details or larger sections of a webpage, our ruler adapts to the scale you require.
* Draggable: Position the ruler anywhere on your screen with its drag-and-drop functionality. When unit-perfect measurement is required, you can focus on the ruler by clicking on it and move it simply by keyboard arrows.
* Zoomable: Measurements remain accurate even when zooming in or out on the page. Anyway, from better UX perspective, we recommend to reset the screen zoom level (100%).
Reviews
Recent review snapshot
Inspect the latest comments and rating distribution.
Store average score4.0Chrome Web Store aggregate rating, including ratings without synced review text
Synced text average4.0Average computed only from synced review bodies below
Reviews with text4Synced review bodies
Total ratings / reviews4Chrome Web Store public rating/review count
Store average score: 4.0. The bars below are calculated from synced review text only, so they may be empty for extensions that have public ratings but no synced comments yet.
Related products
Similar and related extensions
Review related products from the Chrome Web Store detail page.
Better Ruler
Developer Tools
一款网页测量工具，支持吸附测量。为前端开发和ui设计提供便利。
Users
30K
Rating
4.8
Reviews
56
7D Growth
0|0%
Page Grid Ruler
Developer Tools
Draw a grid view, get page dimensions in pixel (px) unit and draw a rule
Users
3K
Rating
--
Reviews
0
7D Growth
0|0%
Simple Ruler
Developer Tools
A very simple ruler to check your webpage, without ads, without secrets, just a ruler.
Users
7K
Rating
4.4
Reviews
9
7D Growth
0|0%
MM and CM Ruler
Developer Tools
Likely PaidConfidence 88Platform PayPal
Elegant resizable ruler with real-time MM/CM measurements!
Users
47
Rating
--
Reviews
0
7D Growth
-5|-9.62%
Page Ruler
Tools
Measure page elements size in pixel with an easy-to-use ruler.
Users
500K
Rating
3.9
Reviews
101
7D Growth
0|0%
Doesnt work on opera GX
Simple and effective !
Good job!
A Must-Have Ruler Extension for Precision and Convenience! I've been using this on-screen ruler extension for a while now, and it's hands down one of the best tools for precise measurements! The ability to resize, drag, and rotate the ruler makes it incredibly versatile for any design or development work. What I love most: ✔ Customizable settings – Adjusting colors, units, and gridlines is a game-changer. ✔ Keyboard shortcuts – Quickly toggling the ruler (Ctrl + Q) and moving it with arrow keys is super efficient. ✔ Accurate scaling – Even when zooming in/out, the measurements stay precise. ✔ Rotatable & draggable – Perfect for measuring at different angles and positions. The UI is intuitive, and it doesn’t interfere with my workflow—just a simple, reliable, and highly useful tool. Whether you're a designer, developer, or just someone who needs precise on-screen measurements, this extension is a must-have. Highly recommended!