Crypto Vault, Passphrase & SHA-256 Studio
Zero-knowledge, 100% in-browser Diceware passphrase generator, Shannon entropy crack-time calculator, AES-256-GCM secret note seal/unseal, and SHA-256 file checksum verifier.
Diceware Passphrase Generator
Entropy Security ScoreEmpty
Shannon Bit Entropy0 bits
Estimated Brute-Force Crack Time (10 Billion guesses/sec)
Instant
Lowercase a-z
Uppercase A-Z
Numbers 0-9
Symbols & Separators