Dimensions

A browser extension for coders to measure screen dimensions. Download from the Product Website, the Chrome Webstore or Firefox Addons.

Change Log

Version 3.0.0 (2025-10-02)

Major Update - Manifest V3 Migration:

• Manifest V3 for Chrome 139+ compatibility
• Minimum Chrome version requirement: 88+ (Manifest V3 support)
• Legacy Manifest V2 browsers no longer supported

This update was contributed by @xDhii. Thank you!

Version 2.0.5 (2016-10-23)

• make sure that the text direction stays left-to-right #30

Version 2 (2015-07-14)

Implemented enhancements:

• measure an area (press ALT) #14
• adjust dimensions color depending on the background #20
• climb up gradients #3
• hide cursor #16

Fixed bugs:

• fix measuring on Mac Retina #8
• fix a bug that breaks dimensions #22

Version 1 (2014-9-10)