Tool Workspace
Enter content, process with one click
1Introduction
The JS minifier can remove extra spaces, line breaks, and comments from JavaScript code, and may shorten variable names, thereby reducing file size and speeding up webpage loading. Suitable for optimizing code before deployment to production. This tool runs entirely locally in the browser, no need to upload code to the server, protecting your privacy. Supports ES6+ syntax, the compressed code functionality remains unchanged, but readability is reduced, usually used for publishing. Suitable for front-end developers, website administrators, and all users who need to optimize front-end performance. Free to use with no limits, it is an important tool for performance optimization.
2How to Use
Paste JS Code
Paste the JavaScript code to be compressed into the left input box.
Click to Minify
Click the 'Minify JS' button, and the tool will automatically remove unnecessary characters.
Copy Result
After compression is complete, click the 'Copy Result' button to copy to the clipboard.
3FAQ
Will the JS compressed code still run normally?
Yes. Compression only removes whitespace and comments, without changing logic. But note: compressed code has poor readability, so it is recommended to keep the original version for debugging.
Does the compression tool support ES6 modules?
Supported. The tool can handle ES6 module syntax, and the module structure remains unchanged after compression.
