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Pretty JSON

Format or minify JSON instantly for APIs, logs and config files.

Input JSON

124 characters

Valid JSON objects and arrays are supported.

Result

Use Format or Minify to generate output.

100% local processing in your browser

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Benefits

  • Reduces reading errors in large payloads.
  • Switch quickly between readable and compact output.
  • Shows clear syntax errors for invalid JSON.

Practical value of Pretty JSON

Pretty JSON belongs to the JSON tools collection and is designed as a focused utility with crawlable context, clear limits and a direct result.

Practical use
This utility helps review payloads, API responses and configuration files without opening a full development environment.
Privacy and scope
100% local processing in your browser
Result quality
The output respects the target syntax and shows errors when the content cannot be processed safely.

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Frequently asked questions

What if I paste invalid JSON?

The tool shows a clear error and no output until it is fixed.

Is my JSON sent to a server?

No. Processing happens locally in your browser.

Pretty-print or minify JSON for cleaner API workflows

Pretty JSON helps developers inspect payloads faster and catch syntax issues before shipping.

Switch between readable and compact output in one step to speed up debugging and documentation.