JSON Formatter & Validator
100% Client-side HOTFormat, minify and validate JSON instantly — real-time error detection, key stats, and multiple indent options.
Indent:
Input JSON
Ready
Output
1
1
Paste JSON
Paste or type your JSON into the left panel. Real-time validation shows instantly.
2
Choose Options
Select indent size (2 spaces, 4 spaces, or tabs) from the toolbar.
3
Format or Minify
Click Format for readable output or Minify for compact single-line JSON.
4
Export
Copy the output to clipboard or download as a .json file with one click.