Security & Tokens
Generate and inspect JSON Web Tokens (JWT), hashes, secure passwords and keys.
JWT Decoder
Decode and inspect JSON Web Token header, payload claims, and expiration timestamps.
JWT Generator
Generate and sign JSON Web Tokens with custom header, payload and secret key.
Regex Tester
Test and debug Regular Expressions in real-time with instant match highlighting.
SSL / TLS Certificate Decoder & Inspector
Decode X.509 PEM / CRT certificates online. Inspect Subject, Issuer CA, Expiration validity dates, SAN domains, and Public Key algorithms.
Bcrypt & Argon2 Password Hash Generator
Generate and verify cryptographically secure Bcrypt and Argon2 password hashes online with custom cost factors.
JWT Signer & Signature Verifier
Sign, generate, and verify JSON Web Tokens (JWT) using HMAC (HS256/384/512) or RSA (RS256) keys online.