Convert WMV to MP4
WMV is great for Windows Media Player and older PowerPoint presentations, but MP4 is the better choice for sharing video anywhere — phones, social media, web and TVs. Convert WMV to MP4 in seconds, right in your browser.
- No upload — 100% private
- Fast, lossless when possible
- Free & unlimited
- Works on iPhone & Android
Keep this tab open — the conversion runs on your device, nothing is uploaded.
Add more files above to keep converting.
How to convert WMV to MP4
- 1
Tap Choose files and select one or more WMV files (or drag them in).
- 2
Check that MP4 is selected. Use Advanced options for resolution, size or trimming.
- 3
Press Convert. Everything happens on your device — no upload, no waiting in a queue.
- 4
Your MP4 downloads automatically. Converting several files? Grab them all as a ZIP.
WMV vs MP4
Both formats are lossy, so the video is re-encoded once. Pick High quality to keep it as close to the original as possible, or Small for the smallest file.
| WMV | MP4 | |
|---|---|---|
| Full name | Windows Media Video | MPEG-4 Part 14 |
| Type | Video | Video |
| Compression | Lossy | Lossy |
| Developed by | Microsoft | MPEG |
| Introduced | 1999 | 2001 |
| Plays on iPhone | ✕ No | ✓ Yes |
| Plays on Android | ◐ Partly / with an app | ✓ Yes |
| Plays on Windows | ✓ Yes | ✓ Yes |
| Plays on Mac | ✕ No | ✓ Yes |
About WMV and MP4
WMV: WMV is Microsoft's video format for Windows Media Player and older Windows PCs.
MP4: MP4 is the universal video format. With H.264 video and AAC audio it plays on every iPhone, Android phone, smart TV, browser, WhatsApp, Instagram and YouTube.
Frequently asked questions
How do I convert WMV to MP4 on my phone?
Will converting WMV to MP4 reduce quality?
Is this WMV to MP4 converter free?
Are my files uploaded to a server?
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