Convert WMV to MKV
Free online WMV to MKV converter — no signup, no watermark
Convert WMV (Windows Media Video) files to MKV (Matroska Video) format online for free. Our WMV to MKV converter runs entirely in your browser — just drag in your file, click convert, and download the result. No software to install, no account required, and your files stay private.
How to convert WMV to MKV in 4 steps
- 1
Upload your WMV file
Drag and drop your WMV file into the converter, or click to browse from your device. We support files up to 2GB.
- 2
Choose MKV as the output format
MKV is pre-selected. Optionally adjust quality, resolution or bitrate if your file needs custom settings.
- 3
Convert WMV to MKV
Click the convert button. Our converter processes your WMV file and produces a high-quality MKV output, usually in under a minute.
- 4
Download your MKV file
Once conversion is complete, download your MKV file. Your original WMV stays untouched and we delete uploaded files within an hour.
Why convert WMV to MKV?
WMV is Microsoft's proprietary video format, designed for efficient streaming and playback on Windows. It delivers good compression but has limited support on non-Microsoft platforms. MKV is an open-source container format that can hold an unlimited number of video, audio, subtitle and metadata tracks in one file. It's the go-to format for high-quality movie storage and Blu-ray rips. Converting from WMV to MKV is useful when you need high-quality movie storage or want to take advantage of supports unlimited tracks and subtitles.
Top reasons to switch to MKV
- High-quality movie storage
- Multi-language video files
- Blu-ray and DVD archival
- Files with multiple subtitle tracks
WMV vs MKV: side-by-side
WMV
Pros
- + Strong compression for Windows
- + Native on Windows platforms
- + Built-in DRM support
Cons
- − Poor support on macOS, iOS, Linux
- − Proprietary format
- − Falling out of favor for modern web
MKV
Pros
- + Supports unlimited tracks and subtitles
- + Open source and royalty-free
- + Excellent quality preservation
Cons
- − Not natively supported on iOS or Safari
- − Larger files than MP4
- − Limited streaming support
WMV to MKV — Frequently Asked Questions
Is converting WMV to MKV free?
Is converting WMV to MKV free?
Yes, our WMV to MKV converter is 100% free. There are no hidden fees, no signups required, and no watermarks added to your converted MKV files.
Will I lose quality converting WMV to MKV?
Will I lose quality converting WMV to MKV?
Our converter uses high-quality encoding settings to preserve as much of the original WMV quality as possible in the MKV output. For lossless results, choose the "high quality" preset.
How long does WMV to MKV conversion take?
How long does WMV to MKV conversion take?
Most WMV files convert to MKV in 30 seconds to a few minutes, depending on the file size, duration, and your internet connection. Larger files take longer.
Is it safe to upload my WMV file?
Is it safe to upload my WMV file?
Yes. All uploads use encrypted HTTPS connections, files are processed on isolated servers, and converted MKV files are automatically deleted within one hour of conversion.
Can I convert WMV to MKV on mobile?
Can I convert WMV to MKV on mobile?
Absolutely. Our WMV to MKV converter works in any modern browser on iPhone, Android, iPad, Windows, macOS and Linux — no app install required.
What's the maximum file size for WMV to MKV?
What's the maximum file size for WMV to MKV?
You can convert WMV files up to 2GB to MKV for free. For larger files, contact us about our batch and premium options.
Related video conversions
Other format pairs people convert alongside WMV to MKV.