Free online key fingerprint calculator — compute SHA-256 and SHA-1 fingerprints of public keys instantly in your browser. No data is stored. Accepts PEM and JWK key formats with colon-separated and hex output.
Free online key fingerprint calculator — compute SHA-256 and SHA-1 fingerprints of public keys instantly in your browser. No data is stored. Accepts PEM and JWK key formats with colon-separated and hex output.
Runs entirely in your browser. No data is sent to our servers.
Calculate SHA-256 and SHA-1 fingerprints of a public key
MD5 Hash
Free online MD5 hash generator — compute MD5 digests instantly in your browser. No data is stored. Produces a 32-character hex hash for checksums and non-security fingerprinting (not suitable for cryptographic use).
SHA-1 Hash
Free online SHA-1 hash generator — compute SHA-1 digests instantly in your browser. No data is stored. Produces a 40-character hex hash for checksums and non-security fingerprinting (deprecated for cryptographic use).
SHA-256 Hash
Free online SHA-256 hash generator — compute SHA-256 digests instantly in your browser. No data is stored. Produces a 64-character hex hash using the Web Crypto API for data integrity and cryptographic verification.
SHA-384 Hash
Free online SHA-384 hash generator — compute SHA-384 digests instantly in your browser. No data is stored. Produces a 96-character hex hash using the Web Crypto API for cryptographic applications requiring longer digests.