Free Ruler

Features

• Horizontal and vertical rulers.
• Measure in pixels, millimeters, or inches (press U to cycle).
• Float rulers above other applications (press F to toggle).
• Move windows independently or as a group (press G to toggle).
• Show, hide, and reopen rulers from the menu or keyboard.
• Drag the end of each ruler to resize.
• Show or hide the shadow behind rulers (press S to toggle).
• Align rulers at mouse location (press O for origin).
• Reset ruler locations with Command-R.
• Available in multiple languages.

Download

Free Ruler requires macOS Sonoma or later. Your feedback is welcome!

Direct downloads from GitHub are signed, notarized, and can check for updates automatically. For older builds, see the releases page.

Feedback

Free Ruler is open source. For bugs or feature requests, see the issues list or open a new issue.

Or you can make a donation.

Made with love by this guy.