The YUI Compressor is JavaScript minifier designed to be 100% safe and yield a higher compression ratio than most other tools. Tests on the YUI Library have shown savings of over 20% compared to JSMin (becoming 10% after HTTP compression). Starting with version 2.0, the YUI Compressor is also able to compress CSS files by using a port of Isaac Schlueter's regular-expression-based CSS minifier
There are no reported vulnerabilities
30 Day SummaryDec 24 2025 — Jan 23 2026
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12 Month SummaryJan 23 2025 — Jan 23 2026
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