MP4 → M4A Audio Extractor
Drop a MP4 video and get its audio track as M4A. Nothing is uploaded — processing happens entirely on your device.
Drop files here, or click to select
What is MP4?
The most widely used video format, playable on virtually every device and service.
What is M4A?
AAC-based audio standard in the Apple ecosystem, used by iPhone Voice Memos.
FAQ
Are my files uploaded?
No. Conversion runs entirely inside your browser; your video and audio never reach any server.
Is it free?
Completely free. No account, no installation.
Can I convert long files?
Yes, but processing runs on your device, so long files can take a few minutes. The first conversion also downloads the engine (~31MB).
Can I choose the quality?
Use the quality slider to balance bitrate and file size.