Data tool / JSON

JSON Formatter

Turn dense JSON into readable, validated data without sending it to a server.

100% processed in your browser

Input

153 chars

Result

How to use it

  1. 1 Paste JSON into the input panel.
  2. 2 Choose Format, Minify, or Sort keys.
  3. 3 Copy or download the validated result.

Useful for

  • Reviewing API responses
  • Cleaning configuration files
  • Finding invalid JSON syntax

Good to know

  • Standard JSON only; comments are not supported.
  • Very large documents may be limited by device memory.
  • Input is cleared when you leave or refresh the page.