Convert MP4 to WMV Online Free
MP4 is the most widely supported video container, playable on virtually every device and platform. WMV is a Microsoft video format optimised for Windows playback and older streaming. FileConverter turns your MP4 into WMV online in seconds - free, privacy-first, and with no software to install or account to create.
Convert MP4 to WMV
WMV is already selected. Add your MP4 file to start.
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Add a MP4 file above to start the conversion.
Some long-lived corporate systems — older PowerPoint versions, Windows Media-based signage, and intranet portals — still standardise on WMV. Converting MP4 to WMV produces the Windows Media file those environments accept natively.
What changes when you convert MP4 to WMV
This re-encodes your footage from the MP4 container into WMV, which can change the underlying codec and file size. At sensible settings quality is well preserved, but converting from a higher-quality MP4 source always produces a better WMV result. Trim long clips first if you only need part of the footage.
About the MP4 format
MP4 usually pairs H.264 video with AAC audio, giving a great balance of quality, file size, and compatibility. It is the safe default for uploading, sharing, and streaming across phones, browsers, and social platforms. In everyday use, MP4 is chosen for uploading to YouTube, social media, and websites, sharing clips across phones and computers and general-purpose video storage. It opens in all browsers, phones, smart TVs, and media players.
About the WMV format
WMV offers decent compression and was common on Windows and in older PowerPoint embeds. It has poor support on Apple and mobile devices, so converting to MP4 improves compatibility. In everyday use, WMV is chosen for legacy Windows video and presentations and older streaming and download archives. It opens in Windows Media Player and VLC.
MP4 vs WMV
MP4 is best known for plays on essentially every device and player, while WMV stands out for compact files on Windows. Choosing between them comes down to where the file needs to go next.
Common use cases
People convert MP4 to WMV for jobs such as legacy Windows video and presentations and older streaming and download archives. It is especially common when a MP4 file arrives from one system but needs to work in another that standardises on WMV.
When to convert MP4 to WMV
Reach for MP4 to WMV when your destination expects WMV — for example legacy Windows video and presentations and older streaming and download archives. It is the right move when you receive a MP4 file but the app, website, or person you are working with cannot use it. Bear in mind that poor support on macOS, iOS, and Android, so keep your original MP4 if you might need it again.
How to convert MP4 to WMV
- Upload your MP4 file to the converter at the top of this page - WMV is already selected as the output.
- Check the size limit shown on this page, then drag and drop or browse for your file.
- Confirm WMV is still the target format, or pick a different one from the grid.
- Start the conversion and download your WMV file the moment it is ready.
Quality tips
Keep one master MP4 archived and convert copies. If the WMV file is for web playback, test it in the target browser or player; if you only need the sound, use our Extract Audio tool instead of a full video conversion.
Platform compatibility
The MP4 to WMV converter runs on Windows, macOS, Linux, Android, and iOS - anywhere with a modern browser, with no plugins or permissions required. Once exported, WMV opens in Windows Media Player and VLC.
File size limits
Video/audio up to 2GB
Troubleshooting
- If the file exceeds the limit shown below, compress images, trim video, or split archives before retrying.
- If conversion fails, confirm the extension matches the real format — renaming a file alone does not change its contents.
- Very large videos process faster if you trim them first with our Video Trim tool.
- If quality looks soft, try a less aggressive setting when the converter offers options.
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