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Little Snitch
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Little Snitch 5.5

Runs on macOS Ventura, Monterey and Big Sur

Release Notes
Download

Assuming you’ve downloaded the Little Snitch Disk Image (.dmg file) to your Downloads folder, open a new Terminal window and enter the following command to verify the cryptographic signature of the downloaded file:

codesign --verify -R="anchor apple generic and certificate leaf[subject.OU] = MLZF7K7B5R" ~/Downloads/LittleSnitch*.dmg

If the result of this command is empty (no error message is shown), the file is intact and properly signed by Objective Development.

However, if an error message is shown (like “not signed at all” or “failed to satisfy specified code requirement(s)”), this indicates that the file was maliciously modified and is no longer signed by Objective Development. In that case you should NOT open the disk image file.

Without a license key, Little Snitch runs in demo mode, which provides the same protection and functionality as the full version. The demo runs for three hours, and it can be restarted as often as you like. The Network Monitor expires after 30 days. Turn it into a full version by entering a license key.

Older Versions

Still on macOS Catalina (10.15) or earlier? Compatible versions of Little Snitch are available on our legacy page.

Older Versions

Nightly Builds

Nightly builds are pre-release versions of Little Snitch that include the latest bug fixes and feature enhancements.

Nightly Builds
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© 2023 Objective Development Software GmbH

About UsPressPrivacyTerms