Password & Secret Token Generator

Generate cryptographically secure passwords, API tokens, and passphrases. Includes entropy score, character sets, and ambiguous character filtering.

Runs entirely in this tab — nothing is uploaded

Input

Output

Results appear here.

Length16Password length in characters (4 to 128)Quantity1Number of passwords to generate (1 to 50)Uppercase Letters (A-Z)Lowercase Letters (a-z)Numbers (0-9)Symbols (!@#$%^&*)Exclude AmbiguousAvoid confusing characters like 1, l, I, 0, O, o

BIP-39 Mnemonic & Entropy InspectorInspect, validate, and convert BIP-39 mnemonic phrases (12/15/18/21/24 words) and raw hex entropy with bit-level checksum verification.
Hash GeneratorSHA-1, SHA-256, SHA-384 and SHA-512 checksums. Computed by your browser, never sent anywhere.
HMAC GeneratorCompute Hash-based Message Authentication Codes (HMAC) using SHA-256, SHA-384, SHA-512, or SHA-1 via Web Crypto.
JWT DecoderDecode JSON Web Tokens (JWT) to inspect header and payload claims. Formats standard timestamps (iat, exp, nbf) and checks expiration.