Document format · .json
JSON (JavaScript Object Notation) is the world's data-exchange format: APIs return it, configs store it, and apps pass it around. It is human-readable, supported by every language, and interchanges cleanly with CSV for flat, tabular data.
Every tool runs in your browser — files never leave your device. Badges say exactly what each tool does with JSON.
Paste it into the JSON formatter — it validates locally and points at the exact error, then pretty-prints or minifies the fixed result.
Yes, when the data is flat (arrays of uniform objects). Nested objects and arrays do not map to rows cleanly — flatten them first or keep JSON.
The JSON diff checker highlights added, removed, and changed keys side by side, entirely in your browser.
No. API keys and payloads stay in your browser — validation, viewing, and conversion never touch a server.