Is my JSON data uploaded to a server?

No. All formatting happens directly in your browser using JavaScript — your data never leaves your device.

What's the difference between Format and Minify?

Format adds indentation and line breaks for readability. Minify removes all unnecessary whitespace to reduce file size.

This usually means there's a syntax error — a missing comma, an extra bracket, or unquoted keys. The error message shows roughly where the issue is.

Format and validate JSON instantly in your browser.

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Input JSON

1Paste your raw or minified JSON into the input box.
2Click "Format / Beautify" to get clean, indented output, or "Minify" to compress it.
3If your JSON is invalid, an error message will show what's wrong.
4Click "Copy to Clipboard" to copy the result.

Encode text to Base64 or decode Base64 back to text.

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