Category
Crypto Lab
Choose a tool to start.
Hash Generator
Hash text, a file, or a JSON object with SHA-256, SHA-512, MD5, CRC32, and more.
ID & Secret Generator
Generate UUIDs, ULIDs, NanoIDs, random strings, and passphrases.
Password Benchmarker
Compare Argon2id and bcrypt hash timing with safe cost limits.
JWT Debugger
Decode JWT header and payload. Verify HS256 and RS256 signatures in the browser.
HMAC Generator
Sign messages using secret keys and Hash-based Message Authentication Codes.
TOTP 2FA Generator
Generate Time-based One-Time Passwords from Base32 secrets or otpauth URIs.
AES Encrypt & Decrypt
Encrypt and decrypt text with AES-256-GCM and PBKDF2 password derivation.