Developer's Description. Free MP4 to MP3 Converter (64-bit) is a free program that converts MP4, M4A (iTunes audio files), M4B (audiobooks), M4R (ringtones) and AAC files to MP3 or WAV format. In Download the audio. When ready with the audio just click the Export button at the top right of the screen and on the export format select Audio Only. Now press the Export and download button, the MP3 will be processed and it will automatically download on your computer. Click File in the menu bar, then select Open File. Find and open the MOV file you want to convert. Click File in the menu bar, then select Export As. Select the Audio Only option. Give your file a name, then click Save. Step 1. Open File tab > Export As > Audio Only. Step 2. Give it a name > Save. 6 days ago · Bandicut. Bandicut is a free MP4 to MP3 converter that allows users to split, join, cut, etc., the video as per their requirement. It is also easier to maintain the original audio quality after the extraction. The software supports hardware-accelerated AMD/NVIDIA/AMD h.264 encoders. 03 Convert MP4 to MP3 on Mac. Hit on the Convert All button to start converting your added MP4 videos to MP3 on Mac. After conversion in seconds, you can locate the converted files at the location selected at Output tab for the Converted tab. Download Now Download Now. Part 2. Free download Handbrake on your Mac and double-click on the dmg file to run it. Step 2. Click Open Source to select and load the VOB or Video_TS folder into it. Step 3. Click the Format dropdown menu under the Output Settings section and choose MP4. Handbrake allows you to convert VOB to MP4 in H.264 or H.265. Step 3: Click “Settings” to adjust video and audio settings if necessary. You can change audio encoder, channel, sample rate and more. Choose “OK” to save changes. Step 4: Click “Convert” and set an output folder. Later, you can convert MP4 file to M4A online for free. To MP3 Converter encodes more than 200 audio and video formats to MP3 on Mac OS X effectively and quickly. This little mac app converts literally anything to MP3, including WAV to MP3, MP4 to MP3, M4A to MP3, and much more! Download Now. The application converts most video and audio files to MP3 audio format, like MP4, WMA, M4A, FLAC, AMR, CDA L1AbiU.