JSON Formatter

Beautify and pretty-print JSON instantly. Everything runs in your browser.

100% client-side Instant Private
InputJSON
Paste or type JSON to get startedor drag & drop a .json file here
0 charsUTF-8
OutputJSON
Formatted JSON appears here…
0 charsReady when you are
⚙Formatting options
Indent size

Sample JSON

Load a sample JSON to test the formatter.

Shortcuts

  • ⌘/Ctrl ↵Format
  • ⌘/Ctrl KClear
  • ⌘/Ctrl CCopy output

About JSON Formatting

JSON formatting adds consistent spacing and indentation to compressed or hard-to-read data, making it easier to scan, debug, and work with. TEO ToolKit formats and validates your JSON locally, so your data never leaves this browser.

Runs entirely in your browser No uploads Free forever