Pixuna

JSON Formatter

Format, minify, and validate JSON with clear error messages.

Everything is processed inside this browser tab. Pixuna does not upload your text or files to a server.

How to use JSON Formatter

  1. Paste JSON or open a .json file.
  2. Choose format, minify, or validate, plus indentation.
  3. Copy or download the result.

What to know

Whole numbers beyond JavaScript’s safe integer range can lose precision.

Sorting keys changes object key order.

File handling: This tool runs in your browser. Your text or file is processed in the tab on your device, and Pixuna's code does not upload it to a server. You can confirm this in your browser's network panel.

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