MP4 to MP3

Convert MP4 to MP3 - Convert your file now - online and free - this page also contains information on the MP4 and MP3 file extensions.

File extension	.mp4
Category	Video File
Description	MP4 files (MPEG-4 Part 14) are multimedia files. MP4 is a container format that can store video, audio and subtitle data (as well as more depending on content). Since stores like iTunes uses this container format, and it is used with iPod and PlayStation Portable (PSP), MP4 files have become more common.
Actions	*MP4 to MP3* - Convert file now View other video file formats
Technical Details	MPEG-4 Part 14 or MP4, formally ISO/IEC 14496-14:2003, is a multimedia container format standard specified as a part of MPEG-4. It is most commonly used to store digital video and digital audio streams, especially those defined by MPEG, but can also be used to store other data such as subtitles and still images. Like most modern container formats, MPEG-4 Part 14 allows streaming over the Internet. A separate hint track is used to include streaming information in the file. The only official filename extension for MPEG-4 Part 14 files is .mp4.
Associated programs	Apple QuickTime Player Apple iTunes Microsoft Windows Media Player VideoLAN VLC Media Player
Developed by	Moving Picture Experts Group
MIME type	audio/mpeg
Useful links	Detailed information on the MP4 File Format How to play MP4 files Convert MP4 file

Convert MP4 file

Using Zamzar it is possible to convert MP4 files to a variety of other formats:

mp4 to 3gp (3GPP Multimedia File)
mp4 to 3g2 (3GPP2 Multimedia File)
mp4 to aac (Advanced Audio Coding File)
mp4 to ac3 (AC3 Audio File)
mp4 to avi (Windows video file)
mp4 to flac (Free Lossless Audio Codec)
mp4 to flv (Flash video)
mp4 to gif (Compuserve graphics interchange)
mp4 to ipad (MPEG-4 (H264) Video File)
mp4 to iphone (MPEG-4 (H264) Video File)
mp4 to ipod (MPEG-4 Video File)
mp4 to mov (Apple QuickTime Movie)
mp4 to mp3 (Compressed audio file)
mp4 to mpg (Moving Picture Experts Group File)
mp4 to ogg (Ogg Vorbis Compressed Audio File)
mp4 to wav (Windows audio file)
mp4 to webm (Multimedia Container Format)
mp4 to wmv (Windows Media Video)

MP4 to MP3 - Convert file now

Convert MP4 to MP3

File extension	.mp3
Category	Music File
Description	MP3 is a digital music format which allows CD tracks to be reduced to around a tenth of their normal size without a significant loss of quality. MP3 gets rid of a lot of the information recorded in a song that our ears are not able to hear and then uses complex algorithms to reduce the file size. This then enables you to get hundreds of songs on to a CD and it also has opened up a new market over the internet - the download market as download times have been significantly reduced.
Actions	*MP4 to MP3* - Convert file now View other music file formats
Technical Details	The MP3 format is a lossy format. That means that an MP3 file does not contain 100% of the original audio information. Instead, MP3 files use perceptual coding. In other words, that means it removes the information that your ear doesn't notice thereby making the file smaller. The reason lossy formats are used over RAW is that RAW audio files are too large to travel over the internet at any great speed. By using lossy formats it enables even dial up users to download mp3 files at a reasonable speed. RAW file formats generally require 176,000 bytes per second compared to a lossy format which requires 17,600. The difference is massive and so are the download times.
Associated programs	RealOne WinAmp Windows Media Player iTunes
Developed by	Moving Picture Experts Group
MIME type	audio/mpeg
Useful links	Further information on MP3 files How MP3 files work Convert MP3 file

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Convert MP4 file