CalHash is a utility that you can use to calculate and compare a file’s checksum (also known as a message digest).
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There’s a specific version of CalHash for each major operating system version.
Use the correct version, and don’t try to use a non-compatible version of CalHash.
Requirements: Intel-based Mac or Mac with Apple silicon using macOS Tahoe 26.
Released: March 27, 2026
Titanium Software has discontinued developing the old versions and will no longer update them; however, you can still download them.
Requirements: Intel-based Mac or Mac with Apple silicon using macOS Sequoia 15.
Download (3.4 MB)
Requirements: Intel-based Mac or Mac with Apple silicon using macOS Sonoma 14.
Download (3.1 MB)
Requirements: Intel-based Mac or Mac with Apple silicon using macOS Ventura 13.
Download (2.9 MB)
Requirements: Intel-based Mac or Mac with Apple silicon using macOS Monterey 12.
Download (2.7 MB)
Requirements: Intel-based Mac or Mac with Apple silicon using macOS Big Sur 11.
Download (3.3 MB)
Requirements: Intel-based Mac using macOS Catalina 10.15.
Download (2.1 MB)
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