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JavaScript Minifier

Online JavaScript Minifier. Minify JavaScript to optimize code and make your website smaller and faster!

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  • Quick and secure way to minify JavaScript code and improve your page load speed
  • High Performance & High Quality
  • Reduce JavaScript file size and improve SEO optimization
  • No limits, no registration and software installation
  • Your files' safety is our priority
  • Works from your favorite device

How to Minify JavaScript

  • Enter the source JavaScript code to the text area “Source code“: copy the JavaScript code and paste it to the text field. Also, you can upload the JavaScript file from a local file system.
  • Push the “Minify“ button. Wait for the minifying process to complete. The result will appear in the text field.
  • Take the resulting JavaScript from the text area: select its content or push the “Copy to Clipboard“ button.


What does it mean to minify JavaScript?

JavaScript minification is a process of removing unnecessary or redundant data in JavaScript code without affecting how the browser processes the code. JavaScript Minifier safely removes unnecessary characters, such as comments, whitespaces, and indentation. It leads to decreasing file size. Minification dramatically improves site speed and accessibility, directly translating into a better user experience.

How can I use JavaScript Minifier?

You just need to copy your JavaScript code and paste it into the “Source code“ text area. Also, you can upload the JavaScript file from a local file system. Click the “Minify“ button. The result will appear in the text field. Minification is one of the major components of SEO optimization. Use the JavaScript Minifier to minify your JavaScript code and improve site pages load speed!

How long does it take to minify JavaScript?

JavaScript Minifier works fast. You can process your JavaScript code in a few seconds.

How can minified JavaScript help in SEO?

Minifying JavaScript is one of the basic optimizations required to make your website or app user and search engine friendly. JavaScript files minifying saves some time off your website’s page load speed, which is essential for SEO optimization and moving search engine ranking.

Can I minify JavaScript code on Linux, Mac OS or Android?

Yes, you can use the free JavaScript Minifier on any operating system with a web browser. Our minification tool works online and does not require any software installation.

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