JSON Minifier
Minify JSON content online — remove extra whitespace to shrink file size, processed entirely in your browser.
Local processing
No login required
Upload & download support
LanguageFor API responses and config files
JSONinput.json
Minify options
⌘⏎Quick minify
InputEditable
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Minified outputJSON valid1 lines · 256 B
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{"id":4821,"name":"format-codes","active":true,"owner":{"name":"Ada Lovelace","email":"[email protected]","roles":["admin","editor"]},"settings":{"theme":"dark","indent":2,"notifications":false},"tags":["json","minifier","validator"],"scores":[98,72,65]}
Original size: 332 BMinified: 256 BSaved: 76 B (22.9%)Local processing in your browser · nothing uploaded
How It WorksJSON
Overview
Removes extra spaces, line breaks, and indentation from JSON content without changing its data structure, shrinking file size as much as possible — ideal for API payloads, embedded data, or final production builds. All processing happens locally in your browser, so nothing ever leaves your device.
Use Cases
Reduce API response payload sizeMinify config files before shipping to productionShrink JSON data embedded in JS codeReduce the footprint of static assets
Steps
123
Paste or uploadSet optionsGet the result