How to convert MKV to M4A
To convert MKV to M4A, upload your MKV file, choose M4A as the output format and press Convert. The finished M4A file is ready to save to your phone or computer in seconds, free, with no watermark and no sign-up. Your file is deleted from our server about 30 minutes after the conversion.
This free online converter turns MKV video files into M4A in your browser, with no software to install and no watermark. The conversion runs on our server using ffmpeg, and the result is ready to save to your phone or computer in seconds. Your MKV file is deleted automatically about 30 minutes after the conversion.
What you get with MKV to M4A
- Better quality than MP3 at the same size
- Full tag and cover art support
- Native on Apple devices
- Opens in: iPhone, iPad, Mac, Android, Windows, VLC and most modern players
What to expect from this conversion
- Only the first audio track is extracted. The picture is dropped, so the file is a small fraction of the video's size.
- M4A is lossy, so choose High for the best sound or Small for the smallest file.
- Videos with no sound track cannot be converted to audio.
MKV vs M4A
| Property | MKV | M4A |
|---|---|---|
| Full name | Matroska Video | MPEG-4 Audio |
| Released | 2002, Matroska.org (open standard) | 2001, Apple and MPEG |
| Family | Video | Audio |
| Opens in | VLC, Plex, Kodi, most Android players and modern Windows; limited on iOS and older TVs | iPhone, iPad, Mac, Android, Windows, VLC and most modern players |
| Best for | movie and TV archives with multiple languages; keeping subtitles inside the file | iTunes and Apple Music libraries; audiobooks and podcasts |
Steps to convert MKV to M4A
- Drop your MKV file onto the converter, or click to choose it.
- Check that M4A is selected as the target format and adjust the options if you want.
- Press Convert, then save the new M4A file to your device when it finishes.
Tips for the best result
- Choose MP3 for the widest compatibility.
- Pick FLAC or WAV if you want to edit the sound afterwards.
Frequently asked questions
How do I convert MKV to M4A?
Drop your MKV file on the converter, confirm that M4A is the target format and press Convert. When it finishes, press Save to device or download the M4A file. No account or software is needed.
Is the MKV to M4A converter free?
Yes. It is free, with no watermark, no sign-up and no limit on how many files you convert. The site is supported by ads.
What should I know before converting MKV to M4A?
Only the first audio track is extracted. The picture is dropped, so the file is a small fraction of the video's size. M4A is lossy, so choose High for the best sound or Small for the smallest file.
Can I extract the sound from a MKV video as M4A?
Yes. The first audio track is extracted and saved as M4A. The video picture is not included.
Which programs open M4A files?
M4A files open in iPhone, iPad, Mac, Android, Windows, VLC and most modern players.
How large a file can I convert?
Up to 500 MB per file. Files are deleted from the server about 30 minutes after conversion, and no one looks at them.