1: Choose local MP3 files or enter URL of online MP3 file. 2: Choose "M4A" as target format and set options (optional). 3: Click "START CONVERSION" button and wait for conversion to complete.
Choose filesChoose files or enter remote file URLremote file URL
Set conversion options (optional)
MPEG-1 or MPEG-2 Audio Layer III
File extension: .mp3
MPEG-1 or MPEG-2 Audio Layer III, more commonly referred to as MP3, is an audio coding format for digital audio which uses a form of lossy data compression. It is a common audio format for consumer audio streaming or storage, as well as a de facto standard of digital audio compression for the transfer and playback of music on most digital audio players.
File extension: .m4a
MPEG-4 Part 14 or MP4 is a digital multimedia container format most commonly used to store video and audio, but can also be used to store other data such as subtitles and still images. M4A stands for MPEG 4 Audio and is a filename extension used to represent audio files.