JSON Formatter

Beautify, validate and minify JSON data with clear error messages.

How to Use

  1. 1 Paste your JSON into the input area.
  2. 2 Click "Format" to beautify or "Minify" to compress.
  3. 3 Review validation results and error messages.
  4. 4 Copy the result to your clipboard.

Features

Beautify

Format JSON with proper indentation.

Minify

Compress JSON to its smallest size.

Validation

Get clear error messages for invalid JSON.

Copy result

One-click copy of formatted output.

Privacy

Your JSON never leaves your browser. Nothing is uploaded or stored.

This tool processes files or input locally in your browser.

Frequently Asked Questions

Is my JSON sent to a server?

No. All processing happens in your browser. Your JSON never leaves your device.

Related Tools

Continue with another tool in the developer workflow.

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Helpful Guides