Edge: The Web Ruler

Edge is an on-screen ruler that supports multiple units, horizontal & vertical orientation, and looks like a native application.

Edge: The Web Ruler- On-screen Ruler Chrome Extension

Edge: The Web Ruler is a Chrome extension providing an on-screen ruler separate from any browser tab. It supports measurements in pixels, inches, and centimeters, with the ability to change orientation, and mimics a native application. Can be moved and resized with arrow keys for convenience, and has the capability to calibrate according to the screen size. It also offers an always on top mode while maintaining the settings across launches.
Install from Chrome Web Store

Extension stats

Users: 70,000+
Rating: 3.44
(249)
Version: 0.6.6.2 (Last updated: 2014-10-24)
Creation date: 2014-10-24
Risk impact: Moderate risk impact
Risk likelihood:
Permissions:
  • https://www.google-analytics.com/
  • storage
  • alwaysOnTopWindows
Size: 235.52K

Ranking

Other platforms

Edge Touch (v5.4.0)
3.90 (365) 73,864+
Not available on Firefox
Not available on Edge
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Extension summary

Ruler is a simple onscreen ruler. It runs as a packaged app, separate from any browser tab. Get the source at https://github.com/astromme/Ruler

Features:

  • Support for pixels, inches, and centimeters
  • Both Horizontal and Vertical rulers
  • Move the ruler with your arrow keys (+ shift for 10px changes)
  • resize the ruler with your arrow keys + alt (+ shift for 100px changes)
  • Calibrate the ruler with your screen size
  • Exists separately from any browser tab
  • Easily resizable
  • Settings are remembered across launches
  • Always on top mode

User reviews

These summaries are automatically generated weekly using AI based on recent user reviews. Chrome Web Store does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.
Pros
  • Easy to use
  • Helps with visual alignment of objects on a page
  • Provides pixel measurements for designs
  • Horizontal ruler works well
  • Keeps rulers on top when measurement option is selected
Cons
  • Vertical ruler is often considered useless
  • Presence of an annoying white bar on the vertical ruler
  • Drop shadow undermines usability
  • Some users complain about issues with staying open or loading correctly
  • Lack of rotation feature
Most mentioned
  • Vertical ruler is problematic or useless
  • Annoying white bar on vertical ruler
  • Horizontal ruler works effectively
  • Issues with loading or accessing the app
  • Drop shadow affects usability
User reviews
To: Roszel István - who posted way back on Sep 17, 2016... In order to keep the vertical ruler from vanishing when you click outside of it, try selecting a measurement option (px/cm/in) as soon as it opens. That seems to do the trick for me when I want it to remain "always on top". I hope that's helpful.
by Coleyna Nevtelen, 2024-05-10

Was hoping to try it, but apparently it won't run on MacOS since it hasn't been updated to comply with the 2022 December deadline. :/
by Kari Alatalo, 2023-09-28

Can't be uninstalled.
by Ronnie Aguilera Jr., 2021-02-25
View all user reviews

Extension safety

Risk impact

Edge: The Web Ruler requires a few sensitive permissions. Exercise caution before installing.

Risk likelihood

Edge: The Web Ruler has earned a fairly good reputation and likely can be trusted.

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Promo images

Edge: The Web Ruler small promo image
Small promo image