UtilSnapDeveloperJSON Formatter

JSON Formatter

Beautify, minify, and validate JSON data. Syntax errors are highlighted instantly.

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How to format and validate JSON

  1. Paste JSON into the editor or load a sample payload.
  2. Choose beautify or minify to reformat the structure.
  3. Fix syntax errors highlighted by the validator before copying the result.

Frequently asked questions

Is my JSON sent to a server?

No. Formatting and validation run entirely in your browser.

Can I minify JSON for production APIs?

Yes. Switch to minify mode to remove whitespace from valid JSON.