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Security

SSH Key Fingerprint Calculator

Calculate an OpenSSH public-key SHA-256 fingerprint locally.

Input stays in this browser

Calculate an OpenSSH public-key SHA-256 fingerprint without sending the key anywhere.

Format: ssh-ed25519 AAAA… optional-comment

How it works

Paste an OpenSSH public key to identify its key type and calculate its SHA-256 fingerprint.

Privacy

Public key data never leaves the browser.