File converter/Audio/Video/Convert to MP3/MP4 converter/ MP3 to MP4
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You can convert MP3 file to MP4 as well as to variety of other video and audio formats with free online converter.
How to convert mp3 to mp4?
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Step 1
Upload mp3-file
Select mp3 file, which you want to convert, from your computer, Google Drive, Dropbox or drag and drop it on the page.
Step 2
Convert mp3 to mp4
Select mp4 or any other format, which you want to convert.
Step 3
Download your mp4-file
Wait till your conversion process will be completed and click download converted mp4 file.
MP3 Audio File
File extension | .mp3 |
File category | audio |
Description | MP3 (formally MPEG-1 Audio Layer-3 or MPEG-2 Audio Layer-3) is a digital format for storing audio files and audio streaming. MPEG programmers designed the format. It is one of the most required codecs for digital coding. The format is widely used in various file-sharing sites for evaluation downloading. Due to lossy compression in this audio format, it is possible to compress CD tracks up to 1/10 of their original size while maintaining high playback quality. Moreover, it can be encoded at higher or lower bit rates to adjust the resulting quality. Overtones, which cannot be perceived by a human ear, are removed. Complex algorithms allow for a smaller size of tracks. As a result, one compact disk can contain several hundred songs. MP3 is compatible with all the most popular operating systems and is supported by most modern DVD-players and music systems. |
Technical details | Before MP3 introduction, MPEG-1 had been widely used. That format contained not only audio data but images as well. MP3 breaks an audio file into parts of the same length. When the processing is over, each part is packed into its frame. It involves the spectral limit technology that requires a continuous input signal to provide the use of two adjacent structures. When spectral deleting is over, the file is to be compressed with mathematic methods. If necessary, the compression rate can be changed, even inside the same frame. Files of 128 kbit/s have 11-fold compression. Further reduction of the file size will lead to a significant deterioration in sound quality. |
Programs | VLC media player jetAudio Audacity Plex Media Center Xine |
Developer | Moving Picture Experts Group |
MIME type | audio/mp3 audio/mpg audio/x-mpeg audio/mp3 audio/x-mpg |
MPEG-4 Video File
File extension | .mp4 |
File category | video |
Description | The MP4 files (MPEG-4 part 14 files) are the multimedia files used with multiple stations and video players simultaneously. They can store digital audio streams and digital video, and other suitable amounts of data like subtitle tracks. MP4 video format is a widespread file format due to its very own container format. It is also used with multiple platforms such as iTunes, PlayStation, and portable PSP. It is also a popular file format for streaming over the Internet. For instance, YouTube videos have MP4 extension. |
Technical details | The technical details of MP4 files differ in significant aspects 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 streaming rather than sending video or audio information. MP4 files can be used to store audio streams and text information, subtitles, and still images. At the same time, MPEG format can’t do this. Anyhow the processing of data into MPEG-4 part 14 requires private streams such as the use of hint tracks to include the information. |
Programs | Microsoft Windows Media Player MPlayer Winamp Apple iTunes |
Developer | Moving Picture Experts Group |
MIME type | video/mp4 |
FAQ
Firstly, select a mp3 file you want to convert or drag and drop it. Secondly, select mp4 or any other format you want to convert your file to. Then click convert and wait until your file is converted
Audio conversion usually takes a few seconds. You will convert mp3 to mp4 very quickly.
?️ Is it secure to convert mp3 to mp4 on OnlineConvertFree?
Sure! We delete your uploaded and converted files, so nobody has access to your information. All types of conversion on OnlineConvertFree (including mp3 to mp4) is 100% safe.
? Can I convert mp3 to mp4 without software installation?
Absolutely! OnlineConvertFree doesn’t require installation. You can convert any files (including mp3 to mp4) online on your computer or mobile.
Convert Mp3 To Video Mp4
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By using our converter you can easily convert YouTube videos to mp3 (audio) or mp4 (video) files and download them for free - this service works for computers, tablets and mobile devices.
The videos are always converted in the highest available quality. Please note that we can only convert videos up to a length of 1 hour - the limitation is necessary, so the conversion of any video will not take more than a couple of minutes.
Our service is for free and does not require any software or registration. By using our service you are accepting our terms of use.
Convert Mp3 To Mp4 For Mac Free Youtube Downloader
To convert a video, copy the YouTube video URL into our converter, choose a format and click the convert button. As soon as the conversion is finished you can download the file by clicking on the download button.
Convert To Mp4 Mac Free
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