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MP4 to MP3 Converter

ConverterFactory is a free & online convert MP4 to MP3 file in the cloud, you can easily and quickly use our convert services via browser for PC, mobile or pad, and we also support convert of over 140+ audio, video, document, image and more file formats.

or drop mp4 here
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MP4 is a digital multimedia container file format. It is most commonly used to store video and audio, but can also be used to store other data such as subtitles and still images. It is based on the Apple QuickTime container format and is part of the MPEG-4 standard developed by the Moving Picture Experts Group.

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MP3 is a digital audio coding format using a form of lossy data compression. It is a common audio format for consumer audio storage, as well as a de facto standard of digital audio compression for the transfer and playback of music on most digital audio players. MP3 files use compression algorithms to reduce the file size of the audio data.

How to convert MP4 to MP3

Before preparing to convert mp4 documents, we need to choose a computer, mobile phone, PAD comes with Chrome, Edge, Safari and other browsers, and enter website to open the mp4 to mp3 conversion page.


Choose MP4 files to upload to ConverterFactory website for conversion

Click the "Choose Files" button to select the MP4 file you need to convert, and you can choose to drop the MP4 file directly to the ConverterFactory website to convert page when you operate the conversion on your computer. Click the drop-down arrow to the right of the “Choose Files” button, ConverterFactory supports online conversion of web links or Dropbox files.
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Select the target output MP3 format for conversion

Click the drop-down selection box next to "Convert to", select the target file format to be converted, and then click the "Convert" button to convert. If you need to convert more than one file, you can click the "Add More Files" button, add multiple files to be converted, and then click the "Convert" button for batch conversion.
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Download the converted MP3 file

File conversion is processed in the cloud, and the progress of file conversion is divided into four steps: "Encryption Verification>>File Upload>>Conversion in Progress>>Conversion Completed", after the conversion is completed, click the "Download" button to download the converted file.
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