Developer Tools
Format JSON, encode Base64 and URLs, validate payloads and generate UUIDs — small utilities that respect your data.
5 tools
JSON Formatter
Format, minify and inspect JSON with precise error locations — private, instant and keyboard-friendly.
JSON Validator
Validate JSON syntax with detailed diagnostics — type stats, nesting depth and duplicate-key detection.
Base64 Encode/Decode
Encode text to Base64 or decode it back — fully Unicode-safe, URL-safe variant supported.
URL Encode/Decode
Encode or decode URLs and query parameters correctly — component mode vs full URI, with smart analysis.
UUID Generator
Generate cryptographically random UUIDv4 identifiers in bulk with formatting options — generated locally.