1. Open your favorite internet browser and then go to https://cloudconvert.org/.
2. On its home screen, press the Select File button. This will allow you to import your M4A files to their server.
3. After that, choose the files that you want to convert.
4. If you have uploaded your favorite music on cloud storage services such as Google Drive, DropBox, and more, then you can also import files from those platforms. To import files from online storage, click on the down button.