How to convert MPEG4 to MP3 on Mac or Windows? This Guide will introduce you two professinal MPEG4 to MP3 Converter for Mac and Windows and show you how to convert MPEG4 to MP3 step by step.
MPEG4 to MP3 Converter for Mac
4Media Video Converter for Mac - powerful MPEG4 to MP3 Converter for Mac OS X. As a MPEG4 to MP3 Converter it can convert almost all popular video file formats to MP3 or other audio formats; as a Video Converter it can convert almost all video file formats between each other. Download the free trial: Intel Version or PowerPC Version.

MPEG4 to MP3 Converter for Windows
Aimersoft Video Converter for Windows - powerful MPEG4 to MP3 Converter for Windows users. Converting MPEG4 to MP3 is only a small part of fuction. It can also convert video file formats such as AVI, Divx, XviD, WMV, MPEG, MPG, FLV, DAT, RM, RMVB, MOV, ASF bewteen each other and trim video files. Download the free trial.

Step-by-step Guide: How to convert MPEG4 to MP3 on Mac
Step 1: Launch 4Media Mac Video Converter - MPEG4 to MP3 converter for Mac.
Step 2: Click Add to load MPEG4 or other video files.

Step 3: Output settings. Choose a profile as your output format. Select video quality and audio quality. You can also reset some parameters on Advance panel.

Step 4: Click "Brower..." to change your destination folder.
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Step 5: Click Convert button to start to convert MPEG4 to MP3 format.
Step-by-step Guide: How to convert MPEG4 to MP3 on Windows
Step 1: Launch Aimersoft Video Converter - MPEG4 to MP3 Converter for Windows.
Step 2: Click Add to load MPEG4 or other video files.

Step 3: Output settings. Choose a file and click Profile drop-down list to select MP3 as your output format, then press "Apply to all " button to change all files' output format to MP3.

Reset parameters on Settings windows:

Step 4: Set output folder.
Step 5: Click Start to convert your MPEG4 files to MP3 format.
Ok, done.
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