Cryptography
Hashing, JWT, UUID, and crypto utilities computed locally in your browser.
16 tools
Tool list
JWT Decoder
LiveParse JWT header, payload, signature, and expiry warnings
Cryptography
Hash Generator
LiveMD5, SHA-1, SHA-256, SHA-512 text hashing with compare
Cryptography
UUID Generator
LiveBatch UUID v4 generator with multiple formats
Cryptography
Bcrypt Tool
LivePassword hashing and verification with tunable cost
Cryptography
Password Strength Analyzer
LiveAnalyze password length and character variety locally
Cryptography
Token Generator
LiveBatch secure random tokens
Cryptography
Password Generator
LiveStrong passwords with configurable charset
Cryptography
HMAC Generator
LiveCompute HMAC for a message with a shared secret
Cryptography
ULID Generator
Live26-character time-sortable unique IDs
Cryptography
Basic Auth Generator
LiveEncode or decode Basic Authorization headers
Cryptography
TOTP Code Generator
LiveRFC 6238 one-time codes computed locally
Cryptography
Text Encryption
LiveEncrypt short text locally with AES-GCM
Cryptography
BIP39 Mnemonic Generator
LiveGenerate 12–24 word English mnemonics
Cryptography
RSA Key Pair Generator
LiveGenerate RSA PEM public/private keys in the browser
Cryptography
PDF Signature Checker
LiveScan PDFs for digital signature markers
Cryptography
JWT Generator
LiveSign HS256 JWTs locally
Cryptography