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4 Best Javascript Compression & Obfuscation Tool For Quick Load & Source Protection

Google Closure Compiler is a tool for making JavaScript download and run faster. It is a true compiler for JavaScript. Instead of compiling from a source language to machine code, it compiles from JavaScript to better JavaScript. It parses your JavaScript, analyzes it, removes dead code and rewrites and minimizes what’s left. It also checks syntax, variable references, and types, and warns about common JavaScript pitfalls.

YUI Compressor 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). The YUI Compressor is also able to compress CSS files by using a port of Isaac Schlueter‘s regular-expression-based CSS minifier.

JSCompress is an online javascript compressor that allows you to compress and minify your javascript files. Compressed javascript files are ideal for production environments since they typically reduce the size of the file by 30-90%. Most of the filesize reduction is achieved by removing comments and extra whitespace characters that are not needed by web browsers or visitors.

ShrinkSafe is a JavaScript “compression” system. It can typically reduce the size of your scripts by a third or more, depending on your programming style. Many other tools also shrink JavaScript files, but ShrinkSafe is different. Instead of relying on brittle regular expressions, ShrinkSafe is based on Rhino, a JavaScript interpreter. This allows ShrinkSafe to transform the source of a file with much more confidence that the resulting script will function identically to the file you uploaded.

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