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JSON Formatter
FormattingFormat, minify & validate JSON payloads instantly. Paste your JSON and get formatted output in real-time.
What is JSON Formatter?
JSON Formatter takes raw or minified JSON and formats it with proper indentation so you can read it at a glance. It also validates the syntax in real-time — if something is off, you'll see the exact error. Everything runs in your browser; no data is ever sent to a server.
Common Use Cases
- Pretty-printing API responses from curl or Postman
- Validating JSON config files before deploying
- Minifying payloads to reduce request size
- Debugging webhook payloads and event data
How to Use
- Paste your JSON into the input panel
- Choose Format or Minify mode and pick your indentation
- Copy the result with one click