JSON Minifier
Remove all whitespace and line breaks from a JSON document to shrink it as small as possible.
How it works
- 1
Paste formatted or pretty-printed JSON into the input area.
- 2
The minified version appears immediately — every space and newline removed.
- 3
Copy the compact result or download it. Processing stays on your device.
Questions
Does minifying change the data?
No. The tool removes only whitespace; all keys, values, and structure remain exactly the same.
Why would I minify JSON?
Compact JSON takes up less bandwidth and storage, which matters for config files, API payloads, and bundled assets.
Does this tool send my data anywhere?
Never. Minification runs locally in your browser with no network requests.
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