JSON Minifier
Minify JSON by removing whitespace. See size comparison before and after.
Also known as: compress JSON, JSON compressor online, minify JSON online
Input
Output
Paste JSON on the left to minify.
Ctrl+V to paste · Ctrl+Enter to convert
What is JSON Minifier?
JSON Minifier is a free, browser-based tool that lets you minify JSON by removing whitespace. See size comparison before and after. No signup is required, and no files are uploaded to any server — all processing happens locally in your browser using JavaScript. This tool is also commonly referred to as compress JSON, JSON compressor online, minify JSON online.
How it works
Upload or paste
Add your file or paste your content
Convert instantly
Processing happens in your browser
Copy or download
Get your result instantly
Frequently asked questions
Learn More
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