How to Convert MP4 to MP3 using Audacity?

Step 1. Download the latest version of Audacity and install it on your PC.

Step 2. Open Audacity and select Edit > Preferences.

Step 3. Select Libraries. It will say “FFmpeg library not found”. Click the Download button and you will be taken to an Audacity FAQ website where you can learn about the FFmpeg library, then click Installing FFmpeg and download the FFmpeg installer.

Alternatively, you can directly open this link https://lame.buanzo.org/ffmpeg.php to download the FFmpeg installer. For most PCs, 64-bit is the correct version.

Step 4. Click on the downloaded FFmpeg file and complete the installation. Pay attention to the destination location. By default, FFmpeg for Audacity will be stored in C:\Program Files\FFmpeg for Audacity.

Step 5. Restart Audacity. If you have installed FFmpeg elsewhere, you will need to open the Libraries preferences again and find the FFmpeg folder manually.

Step 6. Now, drag and drop the MP4 file into Audacity or import the video file from File > Import.

Step 7. Edit the audio track as needed. Finally, click File > Export > Export as MP3. Then follow the onscreen prompts to save the MP3 file to a local folder.

Now we have completed the entire process of how to convert MP4 to MP3 using Audacity.

Step 1. Launch WonderFox Free HD Video Converter Factory on your PC and open the Converter program. Next, click Add Files to import the MP4 into the conversion list.

Step 2. Click the output format on the right side of the program. Then, head to the Audio format section and select MP3 as the output format.

Step 3. Finally, set an output folder by clicking the bottom ▼ button and then press Run to start the conversion immediately.