CSS MJS

Convert CSS to MJS

Free online converter — change .css files into .mjs format instantly. Drag, drop, convert, download.

Drop your .css file here

or click to browse · max 100MB

🔒 Your file is processed in your browser where possible.

How to convert CSS to MJS

  1. 1 Upload your .css file using the dropzone above.
  2. 2 Click "Convert to MJS" and watch the progress bar.
  3. 3 Once complete, click Download to save your new .mjs file.