mp3 to m4a converter online
You can search and find a lot of online converters which support to convert MP3 files to M4A. Here recommend 2 online converters for you:
https://convertio.co/mp3-m4a/
https://www.zamzar.com/convert/mp3-to-m4a/
The below will show you the specific operation steps of https://convertio.co/mp3-m4a/.
Step1: Visit https://convertio.co/mp3-m4a/.
Step2: Click “PC” icon to import .mp3 from your local hard drive. You are also allowed to add MP3 file by clicking “Link” icon or another 2 icons.
Step3: After done, click “Convert” option, your MP3 file will start uploading and converting automatically. When the conversion work finishes, click “DOWNLOAD” in green to download the converted M4A file to your hard drive.
Don’t click any pop-ups and advertisements online. If your file costed a long time to upload which means your file may be too large or the network connection is too slow. In addition, the maximum limitation of uploading file size is 100MB. To convert files through desktop program is better if your file exceeded the upload limit.