Free online tool
JavaScript Minifier
Shrink JS for learning with before/after sizes.
Basic minifier for learning and small scripts. Test minified code before deploying - strings containing // need care.
How to use this tool (3 steps)
- Enter your numbers or text in the boxes above - results update instantly.
- Adjust options like quality, rates or dates to compare scenarios.
- Use copy, download or share to save your result. Nothing is uploaded.
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