Downloads
Download calmbu for Windows.
The Windows beta is available for local Codex & Claude backups. macOS will follow after the Windows release path has had time in the wild.
Calmbu for Windows
Download the Windows beta for local encrypted Codex & Claude backups, restore previews, and Free/Pro feature gates.
Calmbu for macOS
macOS support is planned after the Windows release path has had time in the wild. The product model stays the same: local, private, and recoverable.
Release notes
The Windows beta ships with restore safety checks enabled.
Packaged Windows app opens without Visual Studio
Manual encrypted backup passes validation
Alternate restore completes safely
Credentials remain excluded from restored output