MP4 to WMV · Free

Convert MP4 to WMV

Turn your MP4 file into a WMV that plays where you need it, with nothing to install.

Free to start
Nothing to install
Up to 1GB

How it works

How to convert MP4 to WMV

Upload your MP4 file
Drag and drop a MP4 file to turn into WMV, or click to browse. Anything under 1GB, and nothing is installed.
Confirm WMV as the output
WMV is already selected, so there is nothing to configure. Switch to another format in the panel if MP4 needs to go somewhere else.
Convert and download
We convert the MP4 on our servers, usually in under a minute. Create a free account to download the WMV.

Why convert MP4 to WMV?

MP4 is the closest thing video has to a universal format: an MPEG-4 container that almost always holds H.264 video and AAC audio, which every browser, phone, TV and social platform can play without a plugin.

The practical problem: MP4 is already the safest format, so the usual reason to convert away from it is a specific destination that wants something else.

WMV solves that. Native to older Windows tooling.

Container

MP4MPEG-4 Part 14

WMVAdvanced Systems Format (ASF)

Typical codecs

MP4H.264 video, AAC audio

WMVWindows Media Video

Best for

MP4Sharing anywhere, uploads, web embeds

WMVLegacy Windows workflows and old PowerPoint decks

Plays on

MP4Every phone, browser, TV and editor

WMVWindows; almost nothing else

File size

MP4Small for the quality

WMVModerate, but dated compression

Feature	MP4	WMV
Container	MPEG-4 Part 14	Advanced Systems Format (ASF)
Typical codecs	H.264 video, AAC audio	Windows Media Video
Best for	Sharing anywhere, uploads, web embeds	Legacy Windows workflows and old PowerPoint decks
Plays on	Every phone, browser, TV and editor	Windows; almost nothing else
File size	Small for the quality	Moderate, but dated compression

FAQ

MP4 to WMV questions

Is the MP4 to WMV converter free?

Yes. Convert and preview the result for free, then create a free account to download it. There is no per-file charge and no watermark on the WMV itself beyond the free-plan badge.

Do I need to install any software?

No. The conversion runs on our servers and you use it from a browser tab, so it works the same on Windows, macOS, Linux, iPhone and Android. Nothing to install at either end. Where MP4 plays: Every phone, browser, TV and editor. Where the WMV you get back plays: Windows; almost nothing else.

Does converting MP4 to WMV reduce the quality?

Converting re-encodes the video, so it is not bit-for-bit identical. We encode at a high quality target, which keeps the result visually indistinguishable from the MP4 on normal viewing. What changes is the container and the codec. WMV holds: Windows Media Video. Converting the same file back and forth repeatedly will eventually show, so keep your original.

How large a file can I convert?

Anything under 1GB per upload, which is more footage in some formats than others. MP4: Small for the quality. WMV coming back: Moderate, but dated compression. For anything bigger, trim or compress it first, both are free tools here.

Is my file kept private?

Your upload is processed and then held only as long as your project needs it. Nothing is published, indexed or shared unless you create a share link yourself.

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