JSON Minifier
Minify JSON by removing whitespace to shrink file size, free in your browser. No sign-up — your data never leaves your device.
Minify JSON to Reduce Payload Size
JSON Minifier strips all unnecessary whitespace, line breaks, and indentation from your JSON data, producing the smallest valid representation — useful for reducing the size of API payloads, config files, or data embedded in a build.
How to use
- Paste your formatted JSON into the input box.
- Click "Minify" to compress it to a single line.
- Copy the minified JSON for use in your production code or API request.
Common use cases
- Shrinking a config file before bundling it with an application.
- Reducing the size of a JSON payload sent over a slow connection.
- Preparing minified JSON for storage in a size-constrained field.
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