Paste any JSON below to instantly format, validate, or minify it — useful for schema markup, API responses, and config files.
A JSON formatter takes raw, often unreadable JSON data — such as a minified API response or a single-line schema markup block — and reformats it with consistent indentation and line breaks, making it far easier to read, debug, and edit by hand.
The same tool works in reverse too: minifying nicely formatted JSON strips all unnecessary whitespace, producing the smallest possible file size for production use.
The tool will show a clear error message describing what went wrong, such as an unexpected token or unterminated string, so you can locate and fix the issue in your original data.
No. Minifying only removes whitespace and line breaks — the actual data structure and values are completely unchanged, so both versions parse to the exact same object.
Yes. Paste just the JSON object (without the surrounding <script> tags) to format or minify it, then wrap it back in your script tag afterward.
No. All formatting and validation happens directly in your browser using built-in JavaScript — nothing you paste is transmitted to or stored on our servers.
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