Security
Decode a JWT (header + payload) with syntax highlighting, diagnose standard claims, and verify the signature with HS*/RS*/PS*/ES*/EdDSA keys — plus a tampered-token forgery demo
jwt-inspector-verifierSecurity
Decode JWT header and payload, verify HS256 or RS256 signatures, and flag algorithm, expiry, and sensitive-claim security risks
jwt-decoder-security-auditorValidation
Validate license plate formats from multiple countries including China, USA, Japan, and more
license-plate-validatorSecurity
Decode JWT tokens
jwt-decoderSecurity
Generate public/private key pairs for various cryptographic algorithms
key-pair-generatorSecurity
Generate JWT tokens with custom claims and algorithms
jwt-generatorValidation
Validate URL slug strings (lowercase letters, numbers, hyphens only, no special characters)
slug-validator