Download MyColdKey
Free for Windows & macOS.
Downloads are hosted on GitHub Releases. Code signing for installers is coming soon — verify SHA-256 checksums in the meantime.
Same app for everyone. The free download is the full MyColdKey app. Lifetime Pro and other features unlock after you sign in and click Sync Purchases.
Get the latest release
macOS build availability is detected from the latest GitHub release.
Latest release: checking…
Verify your download (recommended)
Each release publishes a checksums.txt file with SHA-256 hashes for every artifact. Compare the file you downloaded against its published hash before running it.
Windows (PowerShell)
Get-FileHash .\MyColdKey-Setup.exe -Algorithm SHA256macOS (Terminal)
shasum -a 256 MyColdKey.dmgWhat happens after you install?
- Free tier — explore the app with short test data (up to 20 characters per note).
- Lifetime Pro — sign in with the account you used at checkout and click Sync Purchases. Your license attaches automatically and unlocks full backup, recovery, and Shamir features.
- Offline / air-gapped — use Offline / Air-Gapped Access on the login screen and email support the request file.