UTIL

JSON Formatter

Format, beautify, minify and validate JSON online. Shows clear error messages for invalid JSON.

About JSON Formatter

JSON Formatter makes JSON readable with proper indentation, or minifies it to save space. Invalid JSON shows the error so you can fix it.

How to use JSON Formatter

  1. Paste your JSON.
  2. Click "Format" or "Minify".
  3. Copy the result.

Frequently asked questions

Is my JSON sent anywhere?

No. It is processed in your browser.

Why is my JSON invalid?

Common causes are trailing commas, single quotes and unquoted keys.