M4A to MKV Converter
Turn M4A audio into a genuine MKV video with a clean background for desktop players, media libraries, and editing. Convert securely and download free.
Drop your M4A files here
Up to 500MB per file.
Files are encrypted and auto-deleted after conversion
How to Convert
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Upload your M4A files
Drag and drop or select M4A files from your device. You can upload multiple files at once.
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Configure Output
Choose an audio quality setting to balance sound quality and file size.
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Download MKV files
Once conversion finishes, download your files individually or as a compressed ZIP archive.
Why convert M4A to MKV?
M4A is an MPEG-4 audio container commonly used with AAC or Apple Lossless audio. Converting it to MKV creates a flexible Matroska video container used for media libraries, desktop playback, and home entertainment, ready for workflows that use the destination format.
MKV plays in VLC, Plex, Kodi, many smart TVs, desktop media players, and home entertainment applications.
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Frequently Asked Questions
How do I turn M4A audio into MKV video?
Add your M4A file, choose your preferred audio quality, start the conversion, and download the completed MKV video. No account is required.
Which M4A files can I convert?
This converter works with iPhone recordings, Apple audio libraries, voice memos, podcasts, and compatible M4A files. The complete audio track is placed into a genuine MKV video.
What appears in the MKV video?
The video uses a clean 1280 by 720 visual background while preserving the full duration of your M4A recording.
What video and audio codecs are used?
The completed MKV uses H.264 video with AAC audio for reliable playback, clear sound, and compatibility with its intended media workflows.
Where can I use the converted MKV video?
MKV works with modern browsers, websites, compatible presentation tools, VLC, and open-media applications, making voice memos, Apple audio, music, and spoken recordings easier to publish or present as video.
Is M4A to MKV free and secure?
Yes. Files are transferred over an encrypted connection, processed securely, and automatically deleted shortly after conversion. No account is required.