Minify JavaScript Online
Reduce JavaScript file size by removing whitespace, comments, and shortening variable names. Check the compression ratio to see how much bandwidth you save.
JavaScript Minifier
Minify JavaScript code to reduce file size and improve load times
Smart minifier: full parse with variable mangling, expression compression, and dead-code elimination for maximum size reduction. Requires syntactically valid JavaScript.
Quick Start
- 1Paste your JavaScript code into the editor
- 2Click Minify to compress the code
- 3Review the minified output and compression stats
- 4Copy the minified JavaScript for your build
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Looking for FAQs and advanced options? Visit the full JavaScript Minifier page →