MKV to AVI converter
Convert MKV to AVI free online for legacy media players, older TVs, and DVD authoring tools that cannot open MKV files. No signup, 500 MB, files deleted in 1 hour.
Drop a file to convert here
or click to browse
About Audio Video Interleave
Common Use Cases
- Playing video on older hardware media players
- DVD authoring and legacy video workflows
- Compatibility with Windows XP-era software
MKV (Matroska) is the modern, flexible container that supports virtually any codec combination, multiple subtitle tracks, and chapter markers. But not every device speaks MKV. Older standalone media players, some car infotainment systems, DVD authoring tools, and Windows XP-era software only recognize AVI. Converting MKV to AVI bridges the gap between modern media and legacy hardware.
MKV is a modern container supporting multiple audio tracks, subtitle streams, and chapters in a single file, while AVI is an older Microsoft container with simpler structure and broader legacy hardware support.
Why Convert MKV to AVI?
Legacy media player compatibility
Older standalone DVD players, USB-equipped TVs from the late 2000s, and portable media players often support AVI but not MKV. Converting lets you play your video on hardware that has not received a firmware update in a decade.
DVD authoring and burning
DVD authoring software like DVD Flick, DVDStyler, and older versions of Nero expect AVI input. If you are burning a DVD from an MKV source, converting to AVI first avoids import errors in these tools.
Windows XP and legacy software support
Enterprise environments, industrial PCs, and kiosk systems sometimes still run Windows XP or older Windows versions where MKV playback requires third-party codecs. AVI plays natively in Windows Media Player on every Windows version.
Simpler container for basic playback
If you do not need multiple subtitle tracks, chapter markers, or multiple audio streams, AVI gives you a straightforward single-video, single-audio file that every player from the last 25 years can handle.
When to use each
Keep MKV when...
- Playing on modern PCs, phones, and smart TVs
- You need multiple audio or subtitle tracks
- Chapter markers and metadata matter
- Archiving with maximum codec flexibility
- Using VLC, mpv, or other modern players
Convert to AVI when...
- Your hardware only recognizes AVI files
- DVD authoring tools require AVI input
- Legacy Windows software cannot decode MKV
- Car or portable media players need AVI
- Simplicity is more important than features
Common use cases
- Playing video on older hardware media players
- DVD authoring and legacy video workflows
- Compatibility with Windows XP-era software
How to use
- Upload your MKV file. Drag and drop an .mkv file onto the upload area, or click to browse from your device. Files up to 500 MB are supported.
- Run the conversion. Click Convert File. Your MKV is processed on our servers using FFmpeg. The default video and audio streams are packaged into an AVI container, with transcoding applied only when necessary.
- Download your AVI. Once processing finishes, click the download link to save your AVI. Both the uploaded MKV and converted output are deleted from our servers within 1 hour.
Frequently asked questions
- Will I lose subtitle tracks when converting MKV to AVI?
- Yes. AVI does not support embedded subtitle streams the way MKV does. If your MKV has subtitles, they will not carry over to the AVI output. You can extract subtitles separately using a tool like MKVToolNix before converting.
- What about multiple audio tracks?
- AVI supports a single audio track, so only the default audio stream from your MKV will be included. If you need a different audio track, select it in MKVToolNix before uploading.
- Is any quality lost during conversion?
- If the source codecs are compatible with AVI (like H.264 video and MP3/AC3 audio), the converter can remux without re-encoding, preserving full quality. If transcoding is needed, high-quality FFmpeg settings are used to minimize any difference.
- Is converting MKV to AVI free?
- Yes. Anonymous visitors get a free daily conversion cap, registered FileFactory accounts get a higher limit, and Premium or Lifetime members get unlimited conversions.
- Is there a file size limit?
- Yes. The maximum upload size is 500 MB.