SSH Public Key Inspector & Fingerprint Generator

Inspect an OpenSSH public key to identify its algorithm, key size, comment, and authorized_keys options, and compute the standard SHA-256 fingerprint.

Runs locally in your browser
Only paste a public key. Never paste an OpenSSH private key, PEM private key, passphrase, or server credential into any online page.
OpenSSH public keyauthorized_keys line or public-key text
Fingerprint and normalized key

Confirm the fingerprint over a trusted channel

A matching fingerprint confirms key bytes, not ownership or authorization. Review authorized_keys options, file permissions, account scope, host trust, and rotation policy separately.

Recent tools: