PrismKitCrypto & SecurityJWT ParserJWT ParserRuns in your browserLocalCopy linkMarkdownSplit a JSON Web Token into its header, payload, and signature and read the decoded claims.BIP39 Mnemonic GeneratorGenerate a BIP39 recovery phrase from random entropy, or paste a phrase to recover the entropy behind it. Multiple wordlists supported.JWT GeneratorBuild and sign a JSON Web Token with an HMAC secret or an RSA, EC or Ed25519 key, then verify it, all in your browser.