JSON Formatter
Format, minify, and validate JSON. Adjust indentation for readability or compress to a single line.
Auto-formats on input (500ms delay)
Usage
Paste JSON and click Format for indented output or Minify for single line. Invalid JSON shows an error.
When to use
Checking API responses, editing config files, making logs readable, preparing data for transfer.
Examples
{"name":"test","items":[1,2,3]} → Format for indent, Minify for one line.Tips
- Data stays in browser. No server upload. Safe for sensitive data.
- Ideal for pasting API responses to inspect structure.
- Minified JSON reduces transfer size but loses readability.