MP4 to MP3 — Extract Audio from MP4 Video Free, No Upload
Extract the audio track from any MP4 video and download it as an MP3 file, entirely in your browser.
Convert MP4 Video to MP3 Audio — free, directly in your browser
Convert MP4 to MP3 Now →🔒 Files never uploaded · ⚡ Lightning fast · 🆓 Completely free
🔒 Files Never Uploaded⚡ FileCraft Engine🆓 Always Free📵 No Registration
How to Convert MP4 to MP3
1
Drop your MP4 file
2
FileCraft extracts the audio track using FFmpeg
3
Download the MP3 file
Why Use FileCraft for MP4 to MP3 Conversion?
- ✓No upload — 100% browser-based
- ✓Keep full quality audio
- ✓Fast extraction
- ✓Works offline
About MP4 Video and MP3 Audio
MP4 Video (MP4) and MP3 Audio (MP3) are common file formats. FileCraft converts between them using its built-in processing engine that runs entirely in your browser — no server, no upload, complete privacy.
Frequently Asked Questions
Will audio quality be affected?
The audio is decoded from the video and re-encoded to MP3. Use 320kbps for best quality.
What about other video formats?
FileCraft also supports MOV, AVI, MKV, and WebM as input formats.