Developer Utilities
In-browser JSON formatting, UUID generation, URL and Base64 encoding tools with zero telemetry.
Featured Developer Workbenches
JSON Formatter & Validator
Format, validate, colorize, and minify raw JSON with inline syntax error line highlighting and structure path lookups.
{
"service": "taskkit-api",
"status": 200,
"secure_client": true
}UUID v4 Generator
Generate single or batch cryptographically random v4 UUIDs instantly with bulk export.
All Developer Utilities (5)
UUID Generator
Generate cryptographically secure bulk UUID v4 identifiers instantly. Copy individual keys or bulk export.
Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 strings back to clean UTF-8 text with URL-safe encoding support.
URL Encoder / Decoder
Percent-encode and decode URLs and URI query parameters according to RFC 3986 standards.
JSON Formatter & Validator
Prettify, minify, and validate nested JSON payloads with accurate syntax error line & column highlighting.
JSON Editor & Tree Viewer
All-in-one JSON workspace: format, minify, validate, interactive tree view, table mode, structural diff comparison, and recursive key remover.