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JSON Formatter & Validator

Format, minify, and validate JSON data with syntax highlighting and interactive tree view.

Frequently Asked Questions

How do I format JSON online?

Paste your JSON into the input editor and click "Format". The tool will automatically pretty-print your JSON with proper indentation and syntax highlighting. You can also use the tree view to explore nested structures.

How do I validate JSON online?

Paste your JSON into the editor and the tool will instantly validate it. If there are syntax errors, the exact line and character position will be highlighted so you can quickly fix the issue.

What is JSON pretty print?

JSON pretty print (or beautify) reformats compact JSON into a human-readable format with proper indentation, line breaks, and spacing. This makes it much easier to read and debug JSON data structures.

Can I minify JSON with this tool?

Yes. Click the "Minify" button to remove all whitespace and formatting from your JSON, producing the most compact representation. This is useful for reducing payload size in API responses and configuration files.