Generate signed JWT tokens from JSON payloads using HS256, HS384, HS512, or alg none with instant token preview and copy support.
Generate JWT tokens from custom JSON header and payload for auth testing, API development, and debugging token-based workflows.
All processing happens locally in your browser. Your data never leaves your computer, ensuring complete privacy and security.
Generate universally unique identifiers (UUIDs) in multiple versions and formats. Perfect for database keys, API identifiers, and unique resource naming.
Professional color picker tool with multiple format support, palette management, and advanced color manipulation features. Perfect for designers and developers.
Generate strong, secure passwords with customizable length and character sets. Cryptographically secure random generation for maximum security.