JSON Minifier
Minify JSON to the smallest valid output by removing whitespace. Validates as it goes. Runs entirely in your browser — no uploads.
JSON
Minified
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About this tool
Strip whitespace and line breaks to shrink JSON to the smallest valid size, reducing bandwidth for APIs, config files and embedded data.
Common use cases
- Reduce payload size for faster API calls
- Inline JSON into a script or HTML attribute
- Trim config files before bundling