Step-by-step instructions
- 1
Convert with VLC
Open VLC → Media → Convert/Save (Ctrl+R) → click Add → select your MP4 → click Convert/Save → in Profile dropdown choose 'Audio — MP3' → set destination filename (must end in .mp3) → click Start.
Go to converter - 2
Use FFmpeg via Command Prompt
Download FFmpeg from ffmpeg.org → extract to C:\ffmpeg → add C:\ffmpeg\bin to your PATH. Open Command Prompt: ffmpeg -i input.mp4 -vn -c:a libmp3lame -b:a 192k output.mp3.
- 3
Use Audacity with FFmpeg library
Download Audacity plus the FFmpeg library for Audacity. Open Audacity → File → Import → Audio → select MP4 → File → Export → Export as MP3 → set bitrate → Save.
- 4
Use an online converter
Go to formatdrop.com → Audio Converter → upload your MP4 → select MP3 → choose bitrate → convert and download. No software installation required.
Why convert MP4 to MP3?
MP3 is universally compatible with every media player, car stereo, and portable device. Extracting MP3 from MP4 is useful for music, podcasts, lectures, and any audio you want without the video file.
Your files never leave your device
FormatDrop runs the conversion engine entirely inside your browser using WebAssembly. No file upload. No server. Nothing stored. You can verify this by opening DevTools → Network tab and watching: zero upload requests.
Frequently asked questions
Why does Windows Media Player not convert MP4 to MP3?
Does MP4 to MP3 conversion lose quality?
No account. No upload. Works in any browser.