However, most MP4 to MP3 online converters have maximum file size limits. You can change MP4 to MP3 format to extract audio without third-party programs. Part 1: How to Convert MP4 to MP3 Online for FreeĪn online MP4 to MP3 converter is a convenient and free choice. Here’re 8 workable ways to convert MP4 to MP3 without losing quality. No matter you convert MP4 video to MP3 audio for offline playback or further editing, you can extract the soundtrack and save as MP3 format. MP3 is a digital audio format supported by almost all devices, players and editors. If you only want to keep the audio track of a MP4 video, you can convert MP4 to MP3 format. How to Convert MP4 to MP3 on Windows/Mac/iPhone/Android/Online
