AAC to MKV Converter
Turn AAC audio into a genuine MKV video with a clean background for desktop players, media libraries, and editing. Convert securely and download free.
Drop your AAC files here
Up to 500MB per file.
Files are encrypted and auto-deleted after conversion
How to Convert
- 101
Upload your AAC files
Drag and drop or select AAC files from your device. You can upload multiple files at once.
- 202
Configure Output
Choose an audio quality setting to balance sound quality and file size.
- 303
Download MKV files
Once conversion finishes, download your files individually or as a compressed ZIP archive.
Why convert AAC to MKV?
AAC is an efficient compressed audio format used by phones, streaming services, and video platforms. 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.
Related audio converters
Frequently Asked Questions
How do I turn AAC audio into MKV video?
Add your AAC file, choose your preferred audio quality, start the conversion, and download the completed MKV video. No account is required.
Which AAC files can I convert?
This converter works with mobile recordings, streaming exports, video soundtracks, and compatible AAC audio 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 AAC 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 mobile audio, streaming soundtracks, music, and speech easier to publish or present as video.
Is AAC 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.