Free converter
MP4 → MP3
Extract MP4 audio as a smaller MP3 file with local encoding. Choose your clip, listen and download — no upload or signup.
- ✓ 100% free, no signup
- ✓ No watermark, no ads inside
- ✓ Works on any device
- ✓ Files stay private
How to convert MP4 to MP3
- 1. Open Extract audio.
- 2. Choose your file and select MP3 as the output format.
- 3. Convert, check the preview and download your result.
Frequently asked questions
Are my files uploaded?
These converters process your file on your device. No file upload is needed.
Is the converter free?
Yes. No account or payment is required.
Can I choose the output format?
Yes. Open the converter, choose the format shown on this page, then preview and download the result. Supported formats depend on your browser and device.