VideoPepper · 100% browser-based
MP3 to M4A
Convert MP3 to M4A (AAC) for iPhone. Free VideoPepper audio converter.
Drop your file here
or click to browse — drag & drop supported
FFmpeg in your browser · files never leave your device
Progress
0%
Preparing…
First run downloads the FFmpeg engine once (~30 MB), then caches it.
Conversion Complete!
Your file is ready to download
Processed on VideoPepper — entirely in your browser
Why VideoPepper?
- Real FFmpeg WebAssembly — professional-grade conversion
- No uploads: your video and audio stay on your device
- Free, no signup, no watermark
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