Convert MP4 to AAC online for free
1: Choose multiple local MP4 files or enter the URL of an online MP4 file. 2: Choose "AAC" as target format and set options. 3: Click the "START CONVERSION" button to convert MP4 files to AAC online.
Set conversion options (optional)
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File extension: .mp4, .m4a, .m4p, .m4b, .m4r, .m4v
MPEG-4 Part 14 or MP4 is a digital multimedia format most commonly used to store video and audio, but can also be used to store other data such as subtitles and still images. Like most modern container formats, it allows streaming over the Internet.MPEG-4 Part 14 or MP4 is a digital multimedia format most commonly used to store video and audio, but can also be used to store other data such as subtitles and still images. Like most modern container formats, it allows streaming over the Internet.
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.