Can I upload converted files to social media or YouTube?

Yes! MP4 is the standard format for all social media and video platforms—YouTube, Instagram, TikTok, Facebook, Vimeo, and Twitter. WMV files are often rejected or poorly processed by these platforms. Converting to MP4 first ensures smooth uploads, faster processing, and optimal playback quality.

WMV to MP4 Converter - Windows Media to Universal

Convert Windows Media WMV to MP4 for Mac, iPhone, Android compatibility. Make legacy videos play on modern devices. Browser-based, private.

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All processing happens in your browser using FFmpeg WebAssembly. Your videos never leave your device—completely private and secure.

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Frequently Asked Questions

WMV (Windows Media Video) is Microsoft's proprietary video format from the early 2000s. While it works on Windows, WMV has virtually no support outside the Microsoft ecosystem. Macs can't play WMV natively, iPhones and iPads don't support it, Android support is limited, and no web browsers support WMV playback. Converting to MP4 gives you universal compatibility across all platforms and devices.

WMV files were created by legacy Windows software: Windows Movie Maker (discontinued 2017), PowerPoint embedded videos, old webcams and security cameras, Windows Media Encoder, older screen recorders, and corporate training videos from the 2000s-2010s. If you have old Windows XP/Vista/7 videos, they're likely WMV format.

WMV is a proprietary Microsoft format that requires Windows Media Player or specific codecs. Macs don't include WMV decoders—you'd need to install VLC or other third-party software. iPhones and iPads have zero WMV support. No web browser (Chrome, Firefox, Safari, Edge) supports WMV playback. MP4 plays natively everywhere without additional software.

Some quality loss occurs during re-encoding because WMV and MP4 use different codecs, but it's typically imperceptible at 'High Quality' or 'Best Quality' settings. The benefit is huge: MP4 with H.264 is more efficient than WMV, often producing similar quality at smaller file sizes, plus universal compatibility. The trade-off is worth it for usability.

No. DRM (Digital Rights Management) protected WMV files—often from purchased videos or streaming services—cannot be converted. DRM specifically prevents copying or converting. Only unprotected WMV files can be converted. Most personal recordings (home videos, screen captures) are not DRM-protected and will convert fine.

For archiving old home videos or important content, use 'Best Quality' for near-lossless conversion. For general use and sharing, 'High Quality' provides excellent results with reasonable file sizes. If storage space is limited or you're sharing via messaging apps, 'Smaller File' maintains acceptable quality at significantly reduced sizes.

No, never. All conversion happens entirely in your browser using FFmpeg WebAssembly. Your video files stay completely private on your device and are never transmitted anywhere. You can even use this tool offline after the initial page load. Perfect for personal videos or sensitive content.

Keep 'Original' to preserve your source resolution—most WMV files are 480p, 720p, or occasionally 1080p. If your source is old and low-resolution (480p or less), keeping original is best. For newer 1080p WMV files where you need smaller file sizes, 720p provides excellent quality at half the file size.

Yes! Older PowerPoint presentations often embedded videos as WMV. If you've extracted the video file, you can convert it to MP4. This is especially useful when sharing presentations with Mac users or uploading to Google Slides, which don't handle WMV well. The converted MP4 will embed properly in modern presentations on any platform.

WMV to MP4 Converter - Windows Media to Universal

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