M4A – MPEG-4 Audio
M4A usually contains AAC audio in an MP4 container. It is a popular choice for Apple devices and digital downloads.
M4A Converter →M4A to MKV
Convert M4A to MKV online in your browser. Upload audio or video files and download individually or as a ZIP.
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to
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Select your audio or video files to convert
or drop MP3, AAC, WAV, M4A, OGG, or video files here (max 30 MB each)
Privacy
On your device only
Max size
30 MB per file
Speed
Multi-core when available
Format reference and conversion types
Formats involved
| Feature | M4A | MKV |
|---|---|---|
| Best for | Apple devices | — |
| Compression | Lossy | — |
| File size | Small | — |
| Compatibility | Good | — |
MKV – Matroska Video
MKV is a flexible container that can hold multiple audio tracks, subtitles, and high quality video in one file.
MKV Converter →