Convert WMV to AVI — Free Online Converter
Convert Windows Media Video (.wmv) to Audio Video Interleave (.avi) online for free. Fast, secure video conversion with no watermarks or registration....
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How to Convert
Upload your .wmv file by dragging it into the upload area or clicking to browse.
Choose your output settings. The default settings work great for most files.
Click Convert and download your .avi file when it's ready.
About WMV to AVI Conversion
WMV and AVI are both Microsoft video formats from different eras. WMV uses the ASF (Advanced Systems Format) container with VC-1 or WMV2 codecs, designed for streaming and DRM. AVI (Audio Video Interleave, 1992) uses the RIFF structure and is a simple, universally recognized container that works with virtually any editing software and media player. Converting WMV to AVI moves content from Microsoft's streaming format to its simpler, more compatible container — useful for legacy editing software, hardware players, and systems that support AVI but not ASF.
Why Convert WMV to AVI?
Some video editing applications (especially older versions of VirtualDub, Avidemux, and Windows Movie Maker) work natively with AVI but cannot import WMV/ASF files. Hardware media players and set-top boxes from the pre-streaming era often support AVI (with DivX/XviD) but not WMV. Converting to AVI also strips any Windows Media DRM that might be present, producing an unprotected file (from DRM-free sources only).
Common Use Cases
- Importing WMV files into legacy editing software that only accepts AVI (VirtualDub, early Premiere)
- Playing WMV content on standalone DivX-certified media players that do not support ASF
- Converting WMV files for use with older capture cards and broadcast systems expecting AVI input
- Preparing WMV content for hardware-based video processing systems that accept only AVI
- Creating AVI copies of WMV files for compatibility with legacy security/surveillance DVR systems
How It Works
FFmpeg decodes the VC-1/WMV2 video and WMA audio from the ASF container, then re-encodes to MPEG-4 Part 2 (DivX/XviD compatible) or H.264 for video, and MP3 or PCM for audio, wrapping the result in AVI's RIFF container. If H.264-in-AVI is acceptable (some players support it), a remux is possible when the WMV contains H.264. AVI's RIFF structure has a 2 GB file size limit in the original spec, extended to 256 GB with AVI 2.0/OpenDML.
Quality & Performance
When re-encoding to MPEG-4 Part 2, quality depends on the target bitrate — at 2–4 Mbps, it is comparable to the original WMV. When encoding to H.264, quality typically improves versus VC-1 at the same bitrate. If the WMV has high bitrate VC-1, match or exceed that bitrate in the AVI output to avoid visible quality loss.
Device Compatibility
| Device | WMV | AVI |
|---|---|---|
| Windows PC | Native | Native |
| macOS | Partial | Partial |
| iPhone/iPad | Partial | Partial |
| Android | Partial | Partial |
| Linux | Partial | Partial |
| Web Browser | No | No |
Recommended Settings by Platform
YouTube
Resolution: 1920x1080
Bitrate: 8-12 Mbps
H.264 recommended for fast processing
Resolution: 1080x1080
Bitrate: 3.5 Mbps
Square or 9:16 for Reels
TikTok
Resolution: 1080x1920
Bitrate: 4 Mbps
9:16 vertical, under 60s ideal
Twitter/X
Resolution: 1280x720
Bitrate: 5 Mbps
Under 140s, 512MB max
Resolution: 960x540
Bitrate: 2 Mbps
16MB limit for standard, 64MB for document
Discord
Resolution: 1280x720
Bitrate: 4 Mbps
8MB free, 50MB Nitro
Tips for Best Results
- 1Use MPEG-4 Part 2 (XviD) at 2–4 Mbps for maximum compatibility with legacy AVI players and DivX-certified devices.
- 2If targeting modern editing software (Premiere, DaVinci Resolve), use H.264 in AVI for better compression and quality.
- 3For files over 2 GB, verify your target player supports OpenDML/AVI 2.0 — some very old players cannot handle extended AVI.
- 4Keep audio as MP3 (128–192 kbps) in AVI for the broadest playback compatibility.
Related Conversions
WMV to AVI conversion produces a universally compatible file for legacy systems and editing software. While AVI lacks WMV's streaming features, its simplicity and universal support make it the right choice for offline playback and editing workflows.