AAC is an audio file format that works similar to MP3 but compresses more than MP3. It significantly reduces the audio file size without losing the quality. To reduce the file size it uses the MPEG-4 standard to cut off the low frequency sounds that cannot be heard in a human’s ear.
M4A is an audio file format that is very similar to MP4. It is a proprietary file format of Apple. iTunes store contains the audios as M4A format. It uses MPEG-4 codec to contain audio files. One of the basic differences between M4A and MP4 is M4A does not contain videos like MP4.
CloudConvert supports the conversion between more than 200 different audio, video, document, ebook, archive, image, spreadsheet and presentation formats. Check the supported formats for more details.
There is no need to install any software on your computer! Upload your files to CloudConvert and we will do the job for you. Don't worry, your files are safe and only you can access them. They will be deleted again as soon as your conversion is finished.
Most conversion types support advanced options, for example setting the codecs of audio/video files. Also, we support batch converting and folder monitoring!
The CloudConvert API offers the full functionality of CloudConvert and makes it possible to use the conversion services in your own applications.