Grids for Mac
Open-source grid overlay that lays halves and quarters, the golden ratio, thirds or an 8-pt grid over the whole screen, with clicks passing through.
By geragarazagh. Free and open source, MIT licence.
Grids at a glance
- Version
- 1.3
- Released
- 9 November 2026
- Download size
- 1.8 MB
- Works on
- Apple silicon and Intel
- Licence
- MIT
- Category
- Graphics and Design
- Developer
- geragarazagh
- GitHub stars
- 3
About Grids
Grids: free, open source grid overlay for Mac. A fixed grid over the whole screen: halves and quarters, golden ratio, thirds, 8-pt grid. Menu bar app, clicks pass through. Native Swift, Apple silicon, macOS 13+.
Screenshots

How to install Grids on a Mac
- Get OpenDMG. It is a free app store for open source Mac apps. Download OpenDMG.
- Search for Grids and press Get. OpenDMG downloads version 1.3 from geragarazagh's own GitHub release.
- Open it. The download is checked against its SHA-256 fingerprint and its signature is checked on your Mac before it lands in Applications.
Updates to Grids show up in OpenDMG and install with one button. No account is needed.
Prefer to do it by hand? The developer's file is on GitHub: Grids.dmg (1.8 MB).
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