How to Convert WMV to MP4 (Windows Media Video to Universal Format)

WMV (Windows Media Video) files are a legacy format that doesn't play natively on macOS, Linux, or most streaming platforms. Converting to MP4 fixes compatibility permanently.

Method 1: HandBrake (Free, Best Quality)

1. Download HandBrake from handbrake.fr (free, available for Windows, Mac, Linux)
2. Open HandBrake → drag your WMV file onto the window
3. Choose a preset: Fast 1080p30 works for most WMV files
4. In Summary tab: ensure Container is MP4
5. Set output filename (with .mp4 extension)
6. Click Start Encode

HandBrake re-encodes to H.264, which is universally compatible.

Method 2: VLC (Free, Faster)

1. Open VLC → Media → Convert/Save (Ctrl+R)
2. Click Add → select your WMV file → click Convert/Save
3. Choose Profile: Video – H.264 + MP3 (MP4)
4. Set destination filename with .mp4 extension
5. Click Start

Method 3: Windows Video Editor (Built-in, Windows 10/11)

1. Open Photos app (Windows 10/11)
2. Click New Video → New video project
3. Import your WMV → add to timeline
4. Click Finish video → choose quality
5. Windows saves as MP4

Method 4: FFmpeg (Command Line, No Quality Loss for Uncompressed WMV)

ffmpeg -i input.wmv -c:v libx264 -crf 22 -c:a aac -b:a 192k output.mp4

Quality Note

WMV files often use Windows Media Video 9 codec. Converting to H.264 MP4 re-encodes the video, which can slightly reduce quality. Use CRF 18–22 in HandBrake or FFmpeg for the best quality conversion.