Convert WMV to AVI Online Free
WMV is a Microsoft video format optimised for Windows playback and older streaming. AVI is a legacy Microsoft video container still found in older files and cameras. FileConverter turns your WMV into AVI online in seconds - free, privacy-first, and with no software to install or account to create.
Convert WMV to AVI
AVI is already selected. Add your WMV file to start.
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Images
Videos
Audio
Add a WMV file above to start the conversion.
Some older editing and analysis tools on Windows ingest AVI but not WMV, which is where this sibling-format conversion earns its place: same era, different container, and the target software finally opens the file.
What changes when you convert WMV to AVI
This re-encodes your footage from the WMV container into AVI, which can change the underlying codec and file size. At sensible settings quality is well preserved, but converting from a higher-quality WMV source always produces a better AVI result. Trim long clips first if you only need part of the footage.
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.
About the AVI format
AVI is an older container that can hold high-quality, lightly compressed video, which is why files are often large. It plays on desktop players but is a poor choice for modern web and mobile delivery. In everyday use, AVI is chosen for older recordings and legacy archives and desktop playback of vintage footage. It opens in VLC, Windows Media Player, and most desktop players.
WMV vs AVI
WMV is best known for compact files on Windows, while AVI stands out for widely readable on Windows desktop players. Choosing between them comes down to where the file needs to go next.
Common use cases
People convert WMV to AVI for jobs such as older recordings and legacy archives and desktop playback of vintage footage. It is especially common when a WMV file arrives from one system but needs to work in another that standardises on AVI.
When to convert WMV to AVI
Reach for WMV to AVI when your destination expects AVI — for example older recordings and legacy archives and desktop playback of vintage footage. It is the right move when you receive a WMV file but the app, website, or person you are working with cannot use it. Bear in mind that large files and dated compression, so keep your original WMV if you might need it again.
How to convert WMV to AVI
- Upload your WMV file to the converter at the top of this page - AVI is already selected as the output.
- Check the size limit shown on this page, then drag and drop or browse for your file.
- Confirm AVI is still the target format, or pick a different one from the grid.
- Start the conversion and download your AVI file the moment it is ready.
Quality tips
Keep one master WMV archived and convert copies. If the AVI 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 WMV to AVI converter runs on Windows, macOS, Linux, Android, and iOS - anywhere with a modern browser, with no plugins or permissions required. Once exported, AVI opens in VLC, Windows Media Player, and most desktop players.
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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