Convert WMV to MKV Online
Platform-locked to Windows; macOS, Linux, and mobile devices require third-party players, and DRM content won't play at all outside Windows. Converting to MKV gives you a key advantage: the most flexible container: unlimited audio tracks, subtitle formats (srt, ass, pgs), chapter markers, and attachment files in a single open-standard file. MKV is best for archiving high-quality video with multiple audio tracks, subtitle streams, and chapter markers in one file.
Why Convert WMV to MKV?
Platform-locked to Windows; macOS, Linux, and mobile devices require third-party players, and DRM content won't play at all outside Windows β converting to MKV overcomes this by providing the most flexible container: unlimited audio tracks, subtitle formats (srt, ass, pgs), chapter markers, and attachment files in a single open-standard file
MKV is the right choice when you need to: archiving blu-ray rips with original audio tracks (dts-hd, truehd) and subtitle streams
Gain broader compatibility β MKV works with VLC, MPC-HC, mpv, Plex, Kodi, Jellyfin; partial support on Android and some smart TVs
Your WMV files were created for converting legacy corporate training videos to modern mp4 format, but now you need a format suited to different workflows
WMV vs MKV β Format Comparison
Windows Media Video (.wmv)
Matroska Video Container (.mkv)
How to Convert WMV to MKV
Upload your WMV file
Drag your .wmv file onto the upload area or click to browse. We accept WMV files up to 2 GB.
Choose MKV as output format
Select .mkv (Matroska Video Container) from the format list. Configure any format-specific settings to match your requirements.
Convert and download
Click Convert and wait for processing. Your MKV file will be ready to download in seconds. The result is optimized for archiving high-quality video with multiple audio tracks, subtitle streams, and chapter markers in one file.
Frequently Asked Questions
Is the WMV to MKV conversion lossless?
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When both formats support lossless data, the conversion preserves all content. Container-agnostic: supports any codec (H.264, H.265, AV1, VP9) at any quality level.
How large will my MKV file be compared to the original WMV?
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WMV files are typically 10 MB β 2 GB, while MKV files are typically 50 MB β 30 GB. The actual size depends on content complexity and any quality settings you choose.
What software can open the converted MKV file?
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MKV is compatible with: VLC, MPC-HC, mpv, Plex, Kodi, Jellyfin; partial support on Android and some smart TVs.
What is the maximum file size I can convert?
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PureConverter accepts WMV files up to 2 GB. Your files are processed securely and deleted from our servers after conversion.
What's the difference between WMV and MKV?
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WMV (Windows Media Video) is best for playing video content designed for the windows media ecosystem and drm-protected media. MKV (Matroska Video Container) is best for archiving high-quality video with multiple audio tracks, subtitle streams, and chapter markers in one file. Key tradeoff: WMV's advantage is built-in windows media drm (digital rights management) for content protection, which is why it was popular for commercial video distribution, while MKV's advantage is the most flexible container: unlimited audio tracks, subtitle formats (srt, ass, pgs), chapter markers, and attachment files in a single open-standard file.
Pro Tips for WMV to MKV Conversion
Review the output MKV file to ensure all formatting and content transferred correctly from your WMV source
Keep a backup of your original WMV file β while our conversion is reliable, having the source is always recommended
MKV works especially well for: storing anime with multiple subtitle tracks (soft-subs) for different fan translations
Did you know? Matroska is named after Russian nesting dolls (ΠΌΠ°ΡΡΡΡΠΊΠ°) because the format is based on EBML, which nests data structures inside each other like layers of a doll.
Ready to Convert?
Upload your WMV file above and get your MKV in seconds. Free, fast, and secure.