MP4 vs WMV: Which Should You Use?

Side-by-side comparison of MP4 and WMV video formats — features, pros, cons, and conversion options.

Quick Answer

MP4 is best for Video distribution, streaming, and sharing. WMV is best for Legacy Windows video and DRM-protected content.

Quick Verdict

MP4 Best for Video distribution, streaming, and sharing

✓ Universal compatibility
✓ Excellent compression
✓ Streaming-optimized
✗ Patent-encumbered codecs (H.264/H.265)

Convert MP4 to WMV →

WMV Best for Legacy Windows video and DRM-protected content

✓ DRM support
✓ Windows integration
✓ Reasonable compression
✗ Poor cross-platform support

Convert WMV to MP4 →

Specs Comparison

Side-by-side technical comparison of MP4 and WMV

Feature	MP4	WMV
Category	Video	Video
Year Introduced	2001	1999
MIME Type	video/mp4	video/x-ms-wmv
Extensions	.mp4, .m4v	.wmv
Container	✓	✓
Codecs	H.264,H.265,VP9,AV1,AAC	WMV9,VC-1
Max Resolution	8K	1080p
Streaming	✓	✓
Subtitle Support	✓	✗

Pros & Cons

MP4

Pros

✓ Universal compatibility
✓ Excellent compression
✓ Streaming-optimized

Cons

✗ Patent-encumbered codecs (H.264/H.265)
✗ Not ideal for editing
✗ DRM can limit playback

WMV

Pros

✓ DRM support
✓ Windows integration
✓ Reasonable compression

Cons

✗ Poor cross-platform support
✗ Proprietary
✗ Declining usage

When to Use Each

Choose MP4 when...

You need files optimized for Video distribution, streaming, and sharing
Universal compatibility
Excellent compression

Choose WMV when...

You need files optimized for Legacy Windows video and DRM-protected content
DRM support
Windows integration

How to Convert

Convert between MP4 and WMV for free on ChangeThisFile

Convert MP4 to WMV Server-side conversion — auto-deleted after processing Convert WMV to MP4 Server-side conversion — auto-deleted after processing

Frequently Asked Questions

What's the difference between MP4 and WMV?

MP4 is best for Video distribution, streaming, and sharing, while WMV is best for Legacy Windows video and DRM-protected content. Both are video formats but they differ in compression, compatibility, and intended use cases.

Is MP4 or WMV better for video?

It depends on your use case. MP4 is better for Video distribution, streaming, and sharing. WMV is better for Legacy Windows video and DRM-protected content. Consider your specific requirements when choosing between them.

How do I convert MP4 to WMV?

Go to the MP4 to WMV converter on ChangeThisFile. Upload your file and the conversion processes on the server, then auto-deletes. It's free with no signup required.

Can I convert WMV to MP4?

Yes. ChangeThisFile supports WMV to MP4 conversion. Upload your file for server-side conversion — files are auto-deleted after processing.

Which is smaller, MP4 or WMV?

File size varies depending on the content, compression method, and quality settings of each format. In general, lossy formats produce smaller files than lossless ones. Test with your specific files to compare actual sizes.

Does MP4 support subtitle support?

Yes, MP4 supports subtitle support, but WMV does not. This may be important depending on your use case.

Is MP4 or WMV free to use?

Both MP4 and WMV are supported file formats that are free to use. You can convert between them for free on ChangeThisFile — server-side conversions are free with no signup required.

Which format is newer, MP4 or WMV?

MP4 is newer — it was introduced in 2001, while WMV dates back to 1999. Newer formats often offer better compression and features, but older formats tend to have wider compatibility.