Download Mermaid Code

Free and local-first. Always the latest release — for macOS and Windows.

Recommended

macOS

Apple Silicon
Download .dmg
Intel Mac? Get the Intel build
Recommended

Windows

x64 · Windows 10/11
Download installer (.exe)
Prefer the .msi?
macOS note: The app is not signed with an Apple Developer certificate. On first launch, go to System Settings → Privacy & Security and click Open Anyway. If blocked, run:
xattr -dr com.apple.quarantine "/Applications/Mermaid Code.app"

Linux: .deb and .rpm packages are built automatically but remain untested — experimental, provided as-is.
Download: .deb .rpm

Install with Homebrew

On macOS, install and update via the tap:

$ brew tap m8524769/tap
$ brew install --cask mermaid-code

Looking for older versions or all file formats? See the GitHub Releases page. Once installed, the app checks for updates automatically.