Free · Private · Client-side

Developer Generators

API keys, JWT secrets, UUIDs, tokens, and framework keys for development and production — generated locally, never transmitted.

Keys & tokens

API Key GeneratorCustom prefixes & lengths JWT SecretHS256/RS256/ES256 signing keys JWT Token GeneratorSign and inspect HS256 and RS256 tokens OAuth TokenAccess & refresh tokens, client secrets AI Key GeneratorOpenAI, Anthropic & custom formats WebAuthn CredentialFIDO2 passkey test credentials Random StringSecure custom strings VAPID KeyWeb Push key pairs

Identifiers & 2FA

UUID GeneratorRandom UUID v4 & GUIDs TOTP SecretBase32 2FA setup keys TOTP Authenticator2FA QR code & secret key TOTP GeneratorCodes, QR, and otpauth URI Base32 EncoderText to Base32 encoding Test Credit CardsLuhn-valid test card numbers

Frameworks

Django SECRET_KEYProduction-ready Django keys Flask Secret KeyFlask SECRET_KEY values Laravel APP_KEYLaravel encryption keys WordPress Salt Generatorwp-config.php keys and salts