Free Ruler

A ruler application for macOS

Features

• Multiple rulers, with horizontal and vertical arms.
• Choose from units: pixels, millimeters, or inches (press U to cycle).
• Float rulers above other applications (press F to toggle).
• Move rulers 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.

Feedback

For bugs or feature requests, see the list of open issues (opens in a new tab) or open a new issue (opens in a new tab).

Or you can make a donation (opens in a new tab).