Convert WMV to MP4 Online
WMV and MP4 serve different purposes. Convert WMV to MP4 here when you need streaming, social media, mobile playback, archiving everyday video.
How to convert WMV to MP4
- Upload your WMV file. Drag it onto the box above or click to browse. Files up to 200 MB are accepted.
- Choose MP4 as the output. The target format is pre-selected on this page — just press “Convert now”.
- Download the result. Conversion runs on our own server and the download starts as soon as it is ready. Your files are deleted automatically.
Why convert WMV to MP4?
People convert WMV to MP4 mainly for compatibility. Windows-centric; poorly supported on macOS, Linux and mobile. MP4, by contrast, is built for streaming, social media, mobile playback, archiving everyday video, and near-universal support. Typically pairs H.264/H.265 video with AAC audio.
WMV vs MP4: key differences
| WMV | MP4 | |
|---|---|---|
| File type | lossy | lossy container |
| Typical use | Windows Media Player, legacy corporate video | streaming, social media, mobile playback, archiving everyday video |
| Compatibility | Windows-centric; poorly supported on macOS, Linux and mobile. | Near-universal support. Typically pairs H.264/H.265 video with AAC audio. |
Tips for a clean WMV to MP4 conversion
- Windows-centric; poorly supported on macOS, Linux and mobile.
- Use the highest-quality source WMV you have — converting a compressed file again cannot restore lost detail.
- If you only need a smaller file, try a lower resolution or bitrate instead of a different format.
- Keep the original WMV until you have checked the converted MP4 opens the way you expect.
Frequently asked questions
How do I convert WMV to MP4?
Upload your WMV file to the converter on this page, make sure MP4 is selected as the output format and click “Convert now”. When the conversion finishes the download starts automatically.
Is this WMV to MP4 converter free?
Yes — it is completely free and needs no account. Files up to 200 MB are accepted, and heavy use is rate-limited so the service stays available for everyone.
Will converting WMV to MP4 reduce quality?
MP4 uses lossy compression, so the converted file is re-encoded. Quality loss is minimal at sensible settings, but keep the original WMV if you may need to convert again later.
What is a WMV file?
WMV is microsoft's Windows Media format, common in corporate and older Windows environments. Its technical name is Windows Media Video and it is typically used for Windows Media Player, legacy corporate video.
What is a MP4 file?
MP4 is the universal video container, playable on virtually every device, browser, phone and smart TV. Its technical name is MPEG-4 Part 14 and it is typically used for streaming, social media, mobile playback, archiving everyday video.
Can I convert WMV to MP4 on my phone?
Yes. The converter runs in the browser on Android, iOS, Windows, macOS and Linux — no app installation is required.
Are my files kept on the server?
No. Uploaded files and converted results are deleted automatically a short time after the conversion finishes.