JSON Formatter

Pretty-print or minify JSON online with instant validation — 100% in your browser, no uploads.

100% In-Browser & Private — your data never leaves this device

PeachTools Pro

Batch processing, unlimited files, ad-free.

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How to use the JSON Formatter

  1. Paste JSON or drop a .json file into the workbench.
  2. Choose Pretty print or Minify.
  3. Fix any validation errors shown under the input.
  4. Copy or download the formatted result.

FAQ

Is my JSON uploaded?
No. Formatting and validation run entirely in your browser.
Can I format many files at once?
The free tier formats one document at a time. PeachTools Pro adds batch folder formatting.

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