Convert AAC to MP3 and M4a to MP3 I have just converted six .mp4 to .mp3 using Winff 1.4.1 in Ubuntu 12.04, and it has worked smoothly. Here's our comprehensive guide on how to convert an MP4 file to an MP3 using some of our favorite conversion software. While you're at it, check out our suggestions for the best free video converters and our favorite free media players for when iTunes just doesn't cut it . Now click on “Convert to MP3” to start the conversion format. Mp4 to mp3 converter online come over here visit .mp4 to mp3 converter site Step4: Start to Convert MP4 to MP3. Freemake Video Converter (v4.1.9) features an attractive design and supports more file formats than you can shake a stick at. You can convert to more than 200 available formats after downloading a video - including AVI, MP4, WKV, WMV, DV, RM, QT, TS and MTS - and you can choose to rip and convert audio to MP3 too.