JSON Formatter

Format, validate, and beautify your JSON data instantly. Minify or pretty-print with syntax highlighting and error detection.

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How to Use This Tool

Paste your raw JSON into the input field, select your preferred indentation level, and click Format to beautify it. Use Minify to compress your JSON into a single line. The tool validates your JSON in real-time and highlights any syntax errors with their position.

Common Use Cases

  • Debugging API responses by formatting raw JSON payloads
  • Validating JSON configuration files before deployment
  • Making minified JSON from production logs readable
  • Preparing JSON data for documentation or presentations

Frequently Asked Questions

What is a JSON formatter?

A JSON formatter takes raw JSON data and reformats it with proper indentation and line breaks, making it easier to read and debug. It can also validate that your JSON is syntactically correct.

Can I minify JSON with this tool?

Yes. After pasting your JSON, click the Minify button to remove all whitespace and produce the most compact representation of your data.

Is my data safe?

All processing happens in your browser. Your JSON is never sent to any server — it stays entirely on your machine.