Choose Files:


Drop JavaScript files here
(Up to 100 files, 40 MB each.)

Compression Settings:

Output Files:

To compress all output files into a ZIP file, click the "" icon on the right, then click "Add to ZIP". To download one single file, simply right-click on file link and click "Save link as...".

File Name Original Size Output Size Size Compressed Actions

How to compress JS files:

  1. Settings

    Set the JavaScript compression level to "Normal Compression" or "Highest Compression".

  2. Add Files

    Drag multiple JavaScript files into the "Choose Files" section. Each JavaScript file can be up to 40 MB in size.

  3. Compress Files

    Batch compression will automatically start once the files are uploaded. Please be patient while the files are being uploaded or compressed.

  4. Output Files

    The output files will be listed in the "Output Files" section. To compress all output files into a ZIP file, click the "" icon on the right, then click "Add to ZIP". You can right-click on the file name and click "Save link as..." to save the file. Note that output files will be automatically deleted from our server in two hours, so please download them to your computer or save them to online storage services such as Google Drive or Dropbox as soon as possible.

About:

JavaScript, often abbreviated as JS, is a high-level, interpreted programming language that conforms to the ECMAScript specification. It is a programming language that is characterized as dynamic, weakly typed, prototype-based, and multi-paradigm. Alongside HTML and CSS, JavaScript is one of the core technologies of the World Wide Web. JavaScript enables interactive web pages and is an essential part of web applications. The vast majority of websites use it, and major web browsers have a dedicated JavaScript engine to execute it.

You can use this JavaScript compressor to compress JavaScript codes to reduce file size, get lower download times and save website bandwidth. The JavaScript files used on compresss.com have been compressed by this JavaScript compressor.