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JSON Formatter

Format, validate and beautify JSON

About JSON Formatter

Format, validate and beautify JSON in a few clicks, directly in the browser.

How to use JSON Formatter

  1. 1Paste your JSON into the input field.
  2. 2Click "Format" to indent it cleanly. Choose the indentation (2 or 4 spaces) to your preference.
  3. 3Click "Minify" to get compact JSON (useful for production).
  4. 4Starter+: enable "Sort keys" to order all keys alphabetically.
  5. 5Copy the result with the copy icon.

Tips

  • The formatter shows a precise error if the JSON is invalid — use it to quickly locate the issue.
  • Key sorting is useful for comparing two JSON objects or normalizing configuration files.
  • Minify before deploying to reduce the size of JSON files embedded in your web pages.

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OneKitTools TeamUpdated 2.21.4