SSH Key Fingerprint

The line a server shows you the first time you connect. Paste a public key, or a whole authorized_keys file, and check that the fingerprint is the one you expected.

Public keys

One key per line. Private keys are not accepted, and nothing you paste leaves the page either way.

Compare with one you were given

Expected fingerprint

Either form works, with or without the SHA256: or MD5: label.

What each key is

Paste a public key above.