Security & Password

SSH Public Key Fingerprint

Get the SHA256 fingerprint and key size of OpenSSH public keys.

Security & Password

Local only

Public keys (one per line)

Everything stays in your browser

Your text is processed on your device — nothing is uploaded to a server.

How it works

Decodes the key blob and hashes it with SHA-256, matching ssh-keygen -lf output. Runs in your browser; nothing is uploaded.

Good to know

How do I use it?

Enter your public keys (one per line) and press “Fingerprint”. Check the result, then copy or download it.

How does it work?

Decodes the key blob and hashes it with SHA-256, matching ssh-keygen -lf output. Runs in your browser; nothing is uploaded.

Is my data uploaded?

No. Everything is processed in your browser and nothing is sent to a server. No account is needed.