Convert AVI to MKV on Mac
Convert AVI files to MKV format on your Mac with Jollycat. Microsoft's legacy video format. Still found in older video collections but largely replaced by MP4 and MKV. All processing runs locally on your Mac — no cloud processing and no uploads required for conversion.
AVI vs MKV
| Property | AVI | MKV |
|---|---|---|
| Type | container | container |
| Compression | Various codecs | Any codec |
| Container | Yes | Yes |
| Common Codecs | DivX, Xvid, MJPEG, H.264 | H.264, H.265, VP9, AV1, FLAC, AAC, DTS |
| File Extension | .avi | .mkv |
| Key Advantage | Wide legacy support | Supports any codec |
How to Convert AVI to MKV on Mac
Open your AVI file
Drag and drop your .avi file onto the Jollycat icon in your macOS dock or menu bar. Jollycat instantly detects the format.
Choose MKV as output
Select MKV from the conversion options. Adjust quality settings, bitrate, or resolution if needed.
Convert and save
Click Convert and Jollycat processes the file instantly on your Mac. No uploads required, no waiting — everything runs locally on Apple Silicon.
When to Convert AVI to MKV
MKV advantages
Supports any codec. Multiple audio/subtitle tracks.
AVI limitations
No native macOS support. Often uses outdated codecs.
Common use cases
High-quality video storage, Movies with subtitles, Multi-track media.
AVI to MKV Conversion Tips
Use Jollycat's trim and crop tools to edit your video before converting. This saves time by only processing the parts you need.
For sharing online, MKV with H.264 codec provides the best balance of quality and compatibility.
MKV is a flexible container that can hold virtually any video, audio, and subtitle codec combination.
Frequently Asked Questions
Is the AVI to MKV conversion free?
Jollycat is a one-time purchase for $9.99. Once purchased, you can convert AVI to MKV and use all 1,650+ conversion paths with no limits.
Does converting AVI to MKV require an internet connection?
No. Jollycat processes everything locally on your Mac. Your AVI files never leave your device — all conversion happens offline using Apple Silicon.
Can I batch convert multiple AVI files to MKV?
Yes. Drag multiple AVI files onto Jollycat and convert them all to MKV at once. Batch processing is built in.
Ready to Convert AVI to MKV?
Jollycat handles AVI to MKV conversion and 1,650+ other format conversions. All offline on your Mac.
Get Jollycat for Mac