AIOBook
Free SEO tool

JSON Formatter

Pretty-print or minify JSON instantly in your browser.

  • Pretty print
  • Minify
  • Copy output
JSON Formatter illustration

JSON Formatter

Paste JSON to pretty-print or minify it. Invalid JSON shows a clear parse error.

Advantages of Formatting JSON

Formatted JSON is easier to debug, review in PRs, and paste into APIs or config files.

Faster debugging

Spot missing commas and nesting issues quickly.

Cleaner reviews

Share readable payloads with teammates.

API readiness

Minify when you need compact request bodies.

Fewer mistakes

Visual structure reduces edit errors.

Tooling friendly

Formatted JSON pastes cleanly into editors.

Local & private

All formatting happens in your browser.

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