How to convert MOV to WMV online
- 1
Drop your MOV file
Drag and drop your QuickTime Movie file onto the converter, or click to browse your files. You can select up to 5 at once. Nothing leaves your device — conversion happens right here in the browser.
- 2
Hit Convert — it happens locally
Click Convert and watch it go. There's no upload, no server queue, no waiting. The converter runs QuickTime Movie → Windows Media Video entirely in your browser tab. Most files finish in 1–3 seconds.
- 3
Download your WMV
Your Windows Media Video file is ready. Click Download, or grab a ZIP if you converted a batch. Close the tab and everything disappears — no copies kept anywhere.
MOV vs WMV: format overview
QuickTime Movie
Apple · 1991
- Compression
- lossy
- Transparency
- No
- ✓ High quality, preferred by Apple ecosystem
- ✓ Supports ProRes codec for editing
- ✗ Poor Windows/Android compatibility without QuickTime
Windows Media Video
Microsoft · 2003
- Compression
- lossy
- Transparency
- No
- ✓ Good compression for Windows-native workflows
- ✓ DRM support for content protection
MOV magic bytes: 00 00 00 xx 66 74 79 70 71 74
WMV magic bytes: 30 26 B2 75 8E 66 CF 11
Why convert MOV to WMV?
You're sharing a video with a corporate contact whose Windows PC doesn't have QuickTime installed — and Apple stopped distributing QuickTime for Windows in 2016. Without QuickTime, a MOV file is unplayable in Windows Media Player, and your contact doesn't have VLC either. WMV is the format Windows Media Player plays natively on every Windows machine without any additional software.
MOV is Apple's container and its codec requirements mean Windows systems without specific software support can't open it reliably. WMV sidesteps this entirely — it's what Windows expects. Older PowerPoint versions also had better support for WMV as an embedded video format. Corporate intranets, internal training platforms from the early 2010s, and Windows-based digital signage systems frequently specify WMV as their input requirement.
Converting MOV to WMV involves full transcoding to Microsoft's VC-1 codec. Quality is comparable to H.264 at high bitrates (4–8 Mbps for HD). The resulting WMV is only reliably playable on Windows — macOS requires Flip4Mac or VLC, and Linux needs GStreamer WMV codecs. If you need cross-platform compatibility, MP4 is a better choice. Convert to WMV only when the Windows-only destination specifically demands it.
Quality & file size: MOV to WMV
Typical file sizes: MOV 150–500 MB → WMV 50–150 MB.
Both MOV and WMV use lossy compression. We transcode at high quality settings (equivalent to WMV's recommended web quality) to minimize generational loss.
Color depth: MOV supports standard color, WMV supports standard color.
Transparency: MOV does not support transparency. WMV does not support transparency — transparent areas become solid white.
Frequently asked questions
Privacy: how FormatDrop handles your files
Your MOVfiles are converted 100% inside your browser. They are never uploaded to our servers, never stored, and never seen by anyone other than you. This isn't a privacy policy claim — it's an architectural guarantee: our server has no endpoint that receives file bytes.