How to convert video in high speed?
Step 1: Upload M4A Files
Drag and drop or click Choose Files button to import target M4A audio file you want to convert.
Step 2: Change Audio File(s) Format
Choose MP3 as output format from the Convert all to > Video/Audio tab, then hit the Start Convert button to experience the lightening-fast conversion speed.
Step 3: Save the Converted MP3 File
Just hit the Download button to save your converted audio files. That's it!