How do you want to use Diagrammo?

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In your browser

Open the editor instantly. Files saved locally in browser storage (OPFS). Works on any OS.

Open editor

On your Mac

Native desktop app. Offline. Local files on disk. Auto-updates. macOS 12+.

Download .dmg

Pssst… you look like the type who reads the man page.

Buttons not really your thing? Diagrammo is also a CLI, an npm library, and an MCP server. Diagrams as code, all the way down — pipe it, script it, embed it, let your AI agent draw with it. No mouse required.

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