M4A to AAC

Convert M4A to AAC online for free

1: Choose multiple local M4A files or enter the URL of an online M4A file. 2: Choose "AAC" as target format and set options. 3: Click the "START CONVERSION" button to convert M4A files to AAC online.

Choose files or enter remote file URL

Set conversion options (optional)



Audio-only MPEG-4

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.


Advanced Audio Coding

File extension: .aac

Advanced Audio Coding (AAC) is an audio coding standard for lossy digital audio compression. Designed to be the successor of the MP3 format, AAC generally achieves better sound quality than MP3 at similar bit rates. AAC has been standardized by ISO and IEC, as part of the MPEG-2 and MPEG-4 specifications.