Dev Utilities
Everyday helpers for developers — IDs, JSON, encoding, and more.
- Base64 Encode / DecodeEncode text or files to Base64 and decode Base64 back to text.
- GUID / UUID GeneratorGenerate UUID v4, v7, or v1 identifiers in your browser.
- Hash GeneratorGenerate MD5, SHA-1, SHA-256, and SHA-512 hashes at once.
- HTTP Status Code ReferenceSearchable table of common HTTP status codes by class.
- JSON Formatter & ValidatorPretty-print, minify, and validate JSON with clear error messages.
- JWT DecoderDecode JWT header and payload without verifying signatures.
- JWT Encoder (Demo)Build a payload and sign an HS256 JWT in-browser for testing.
- Password GeneratorGenerate strong random passwords with customizable character sets.
- SQL FormatterPretty-print SQL with optional keyword capitalization.
- URL Encode / DecodePercent-encode or decode URL components and full URLs.