Convert MKV to M4A
Free, fast and secure — convert MKV to M4A right in your browser.
Pull the audio out of your MKV as M4A
Converting MKV to M4A extracts a clean audio track from your video, giving you a compact M4A (AAC) audio you can play, share or add to a playlist without the video.
How to convert MKV to M4A
- 1 Drop your MKV file into the converter above.
- 2 It is converted to M4A automatically — no settings to fiddle with.
- 3 Download your new M4A file instantly.
MKV vs M4A
| Feature | MKV | M4A |
|---|---|---|
| Compression | Lossy | Lossy |
| Transparency | No | No |
| Animation | Yes | No |
| MIME type | video/x-matroska | audio/mp4 |
| Best for | Archiving high-quality video with multiple tracks — converted to MP4 for everyday playback. | High-quality music and voice on Apple devices and modern apps. |
About the formats
Matroska video
MKV (Matroska) is a flexible open container that can bundle many video, audio and subtitle tracks in one file. It is popular for high-quality archives and media libraries.
Strengths
- Holds multiple audio/subtitle tracks
- Open and future-proof
- Great for high-quality storage
Limitations
- Not supported on many phones/browsers
- Often needs converting to play
- Larger than streaming formats
Best for: Archiving high-quality video with multiple tracks — converted to MP4 for everyday playback.
M4A (AAC) audio
M4A holds AAC audio, the default for Apple Music and iTunes. It generally sounds better than MP3 at the same bitrate and is well supported on modern devices.
Strengths
- Better quality than MP3 at equal size
- Default on Apple platforms
- Efficient, modern codec
Limitations
- Slightly less universal than MP3
- Lossy compression
- Occasional legacy-player issues
Best for: High-quality music and voice on Apple devices and modern apps.