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JSON Formatter & Validator

Paste your JSON to format, validate, and beautify it instantly. Runs entirely in your browser.

How to use the JSON Formatter

  1. Paste your JSON into the input box on the left.
  2. Click Format / Beautify to indent and prettify your JSON.
  3. Click Minify to compress it into a single line.
  4. Click Copy to copy the output to your clipboard.

All processing happens in your browser. No data is ever sent to a server.