File converter / Video / Audio / Convert to MP4 / AAC converter / MP4 to AAC

Choose file to convert to .aac

You can convert MP4 file to AAC as well as to variety of other formats with free online converter.

How to convert aac to mp4?

Step 1

Upload mp4-file

Select file, which you want to convert from your computer, Google Drive, Dropbox or drag and drop it on the page

Step 2

Select «to aac»

Select aac or any other format, which you want to convert (more 200 supported formats)

Step 3

Download your aac file

Wait till your file will be converted and click download aac -file

MPEG-4 Video File

File extension	.mp4
File category	video
Description	The MP4 files (MPEG-4) are the multimedia files which are used with multiple stations and video players simultaneously, they can store video, audio and other suitable amounts of data subtitle even. MP4 file format is an extremely common file format due to its very own container format and it is also used with multiple platforms such as iTunes, PlayStation, and portable PSP as well.
Technical details	The technical details of MP4 files differ in great aspect and are unique as well, first released in 2001 under ISO/IEX 14496-1:2001 standards, it uses an AAC encoding to wear off unauthorized users from copying the data. The main purpose is the streaming rather than sending video or audio information. MP4 files can be used to store additional data such as text information, subtitles and still images while MPEG format can’t do this, anyhow the processing of data into MPEG-4 part 14 requires the use of private streams such as the use of hint tracks to include the information.
Programs	Microsoft Windows Media Player VLC media player MPlayer Eltima Elmedia Player Winamp Apple QuickTime Player Apple iTunes
Developer	Moving Picture Experts Group
MIME type	audio/mp4 video/mp4

Advanced Audio Coding

File extension	.aac
File category	audio
Description	A proprietary format with lossy compression, which have been created as an alternative for MP3 with a higher quality of coding. Overtones out of human perception are being removed. AAC is two times less than MP3, which means 1/10 of CD digital data. The format has being widely used since 1997 as the seventh release of MPEG-2 family. As it is supplied by hardware players, the format is highly demanded by music fans. It has been widely spread in Apple production and is being used by default in iTunes.
Technical details	The format conception is similar to MP3, but it is more advanced. Being able to execute larger compression, it is represented as a separate segment of MPEG-4 standard which is used for creation of compact audio files. AAC is highly efficient with variable and continuous bitrate, with sampling frequency of 8-96 KHz. The current version complies with the standard of ISO/IEC 14496-3. Compression is performed on the basis of auditory masking effect that provides with data reduction with no deterioration for sound quality.
Programs	Microsoft Windows Media Player VLC media player MPlayer Foobar2000 Winamp Apple iTunes Audacity
Developer	Bell Labs, Dolby Laboratories, Sony, Nokia, Coding Technologies
MIME type	audio/aac audio/aacp audio/3gpp audio/3gpp2 audio/mp4 audio/mp4a-latm audio/mpeg4-generic audio/x-aac audio/x-m4a audio/x-m4p audio/x-m4b audio/mp4a audio/mpga

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