Click the "Select File" button above, and choose your AVI file.
You'll see a preview.
Click the "Convert file to..." button and download the WMV file.
High Quality Conversion
Our advanced conversion technology delivers accurate AVI conversions while preserving quality and integrity of your videos.
Secure and Private
Your data is protected by strict privacy policies and access controls. Uploaded AVI videos and converted WMVs are deleted immediately after conversion.
Easy to Use
Upload your AVI file to preview it in your browser and download it as a WMV. No registration, watermarks, or software installation required.
AVI to WMV Conversion Explained
Converting .AVI to .WMV changes a flexible, often uncompressed video container into a highly compressed, proprietary Microsoft format. People convert avi to wmv primarily to reduce file size and ensure playback on legacy Windows systems. You gain a much smaller file that works natively in older Microsoft environments, but you lose video quality due to lossy re-encoding. The main trade-off is sacrificing visual fidelity and modern device compatibility for a compact file that fits legacy constraints. If you need to play the video on a smartphone, Mac, or modern web browser, this conversion is a bad idea. You should use .MP4 instead.
Typical Tasks and Users
Corporate IT Administrators: Managing legacy Windows systems or enterprise software that only accepts Windows Media formats.
Educators and Presenters: Embedding video files into older, offline versions of Microsoft PowerPoint that lack support for modern codecs.
Archivists: Storing video for playback on legacy hardware, such as early Xbox consoles, Windows CE devices, or older portable media players.
Software & Tool Support
FFmpeg: A free, open-source command-line tool that can decode .AVI containers and encode to .WMV using the wmv1 or wmv2 video codecs.
VLC media player: A free, cross-platform media player with built-in conversion tools that support .WMV output.
Adobe Premiere Pro: A professional, paid video editor that can import .AVI and export .WMV (primarily on Windows operating systems).
Legacy Windows Tools: Windows Movie Maker natively handled this conversion, but Microsoft no longer supports or distributes it.
Pros and Cons of the Conversion
Pro: File Size Reduction..WMV files use aggressive compression, making them significantly smaller than uncompressed or lightly compressed .AVI files.
Pro: Legacy Windows Support..WMV provides native, out-of-the-box playback on Windows XP, Vista, and Windows 7 without requiring third-party codec installations.
Con: Generation Loss. Re-encoding video data into the WMV codec introduces compression artifacts, permanently degrading the original image quality.
Con: Poor Cross-Platform Compatibility..WMV struggles on macOS, iOS, and Android devices, often requiring users to download third-party media players.
Con: Obsolete Technology. Both formats are outdated. Modern video workflows have abandoned them in favor of more efficient standards.
Conversion Difficulties & Why Convert.Guru
The primary technical difficulty in this conversion is codec handling. .AVI is a container format that can hold dozens of different audio and video codecs (such as DivX, Xvid, DV, or uncompressed data). A converter must first successfully identify and decode the specific source codec before re-encoding it into the Windows Media Video format. This re-encoding process requires careful bitrate mapping. If the bitrate is set too low, the resulting .WMV will suffer from severe pixelation and macroblocking. If audio sample rates are mismatched, the audio and video will desync.
Convert.Guru is a strong choice for this task because it handles complex codec detection automatically. It accurately decodes the specific streams inside your .AVI file and applies an optimized bitrate for the .WMV output. This prevents the heavy artifacting and audio desync common in poorly configured conversions, providing a reliable result without requiring you to install outdated software or write complex command-line scripts.
AVI vs. WMV: What is the better choice?
Feature
AVI
WMV
Developer
Microsoft (1992)
Microsoft (1999)
Primary Use
Editing, raw capture, high-quality storage
Low-bandwidth streaming, legacy Windows playback
Compression
Varies widely (often low or uncompressed)
High (lossy compression)
Cross-Platform Support
Moderate
Poor
File Size
Usually Large
Usually Small
Which format should you choose?
Choose .AVI if you are archiving raw video data, editing in legacy software, or need to preserve the original codec quality without applying further compression.
Choose .WMV only if you are forced to use legacy Windows hardware, older versions of PowerPoint, or specific enterprise systems that strictly require Windows Media formats.
Avoid both if you are publishing to the web, sharing with mobile devices, or storing modern video. You should convert to .MP4 (using the H.264 codec) instead, which offers universal compatibility and vastly superior quality-to-size ratios.
Conclusion
Converting .AVI to .WMV makes sense strictly for legacy Windows compatibility and aggressive file size reduction. The biggest limitation to watch for is the unavoidable loss of video quality during re-encoding and the format's inability to play natively on modern Apple or Android devices. Convert.Guru is a reliable choice for this exact conversion because it manages the underlying codec complexities, ensuring a stable, playable .WMV file while saving you the hassle of configuring legacy media encoders.
FAQ
The converter also works in reverse, allowing you to convert your WMV file into AVI file type.
Convert.Guru also easily converts AVI videos (Multimedia Container Format) to various formats - free and online. No VLC or extra software needed.
Convert the AVI locally and export to WMV using VLC software or a reliable desktop converter — no internet needed. The easiest way is to open the AVI file in the software on your computer and then save it as a WMV file in the File menu under Save as...
About the AVI to WMV Converter
Convert.Guru makes it fast and easy to convert video files to WMV online. The AVI to WMV converter runs entirely in your browser, so there’s no software to install and no account required. Powered by one of the industry’s largest and most trusted file format databases—maintained for more than 25 years—our technology reliably identifies AVI videos even when they are damaged or incorrectly named. Uploaded files are automatically deleted after conversion to protect your privacy.