Convert WMV to AVI Online Free

Convert Windows Media Video WMV files to AVI format for use in video editing software and broad media player compatibility. ChangeThisFile processes your file with FFmpeg on secure servers — no software required.

By ChangeThisFile Team · Last updated: March 2026

Quick Answer

ChangeThisFile converts WMV to AVI using FFmpeg, a professional-grade multimedia framework, to transcode WMV files to AVI format with optimized codec settings and quality preservation. Free with no signup required. Files are encrypted during transfer and automatically deleted from our servers after conversion.

Free No signup required Encrypted transfer · Auto-deleted Under 2 minutes Updated March 2026

Convert WMV to AVI

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Drag & drop your .wmv file here, or click to browse

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WMV vs AVI: Format Comparison

Key differences between the two formats

FeatureWMVAVI
Full NameWindows Media VideoAudio Video Interleave
DeveloperMicrosoftMicrosoft (1992)
ContainerASF (Advanced Systems Format)RIFF-based AVI
Video CodecWMV9 / VC-1H.264, DivX, Xvid, MPEG-4
Audio CodecWMA, WMA ProMP3, PCM, AC-3
Editing SupportLimited in non-Windows appsWidely supported
StreamingWindows Media ServicesNot designed for streaming
Broad Player SupportMainly WindowsWindows, Linux, Mac with VLC

When to Convert

Common scenarios where this conversion is useful

Video Editing Import

Convert WMV files to AVI for import into Adobe Premiere, Sony Vegas, DaVinci Resolve, or other video editing software that handles AVI better than WMV.

DVD Authoring from WMV

Convert WMV videos to AVI as an intermediate format for DVD authoring software that accepts AVI but not WMV natively.

Legacy Player Compatibility

Make WMV content accessible on older media players and systems that support AVI with H.264 but have limited WMV codec support.

Cross-Platform Accessibility

Convert WMV to AVI for playback on Linux or Mac systems using VLC, where WMV may require additional codec configuration.

Archive Format Standardization

Convert a mixed WMV/AVI video library to a consistent AVI format for easier management in desktop media libraries.

Who Uses This Conversion

Tailored guidance for different workflows

Content Creators

  • Convert WMV footage to AVI for uploading to YouTube, TikTok, or social media platforms
  • Transform WMV screen recordings to AVI for sharing in blog posts or tutorials
Choose AVI at 1080p or higher for the best quality-to-size ratio on social platforms
Preview the converted AVI file before uploading to ensure audio sync is maintained

Video Editors

  • Convert WMV raw footage to AVI for importing into editing software like Premiere or DaVinci Resolve
  • Transform WMV project exports to AVI for client delivery or final distribution
Maintain the original resolution and frame rate during WMV to AVI conversion to avoid quality loss
Use a high bitrate when converting to AVI if the footage will undergo further editing

Social Media Managers

  • Convert WMV brand videos to AVI to meet platform-specific format requirements
  • Transform WMV ad creatives to AVI for cross-platform publishing campaigns
Check each platform's recommended AVI specs (resolution, bitrate, duration) before uploading
Keep the WMV original archived for future re-exports at different resolutions

How to Convert WMV to AVI

  1. 1

    Upload Your WMV Video

    Click or drag your WMV file to the upload area. ChangeThisFile secures the upload with HTTPS encryption from your browser to our servers.

  2. 2

    Convert to AVI with FFmpeg

    FFmpeg on our servers re-encodes your WMV using H.264 video and MP3 audio in the AVI container for broad editing software and player compatibility.

  3. 3

    Download Your AVI File

    Your AVI file is ready to download when conversion completes. The original WMV is permanently deleted from our servers immediately after.

Frequently Asked Questions

AVI is more widely supported by video editing software and non-Windows media players. Converting WMV to AVI improves compatibility with Adobe Premiere, VirtualDub, and other tools that may reject WMV or require codec packs.

The converted AVI uses H.264 video encoding with MP3 audio, providing excellent compatibility with modern editing software and media players.

Converting VC-1 (WMV) to H.264 (AVI) involves re-encoding, which may introduce minor quality changes. High-quality FFmpeg settings minimize visible differences.

DRM-protected WMV files cannot be converted by this tool. Only unencrypted WMV files are supported.

Files up to 25MB (free tier; 500MB on Pro) are accepted. Trim or compress larger WMV files before uploading.

Yes. All uploads use HTTPS encryption and files are deleted automatically after your download completes.

Yes. AVI with H.264 encoding is supported by Adobe Premiere, DaVinci Resolve, Sony Vegas, and most professional editing tools.

Most conversions complete within 60-90 seconds. Processing time depends on file size and resolution.

Yes. FFmpeg preserves the source WMV resolution and frame rate in the AVI output.

Yes. ChangeThisFile is completely free — no accounts, subscriptions, or watermarks.

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Need to convert programmatically?

Use the ChangeThisFile API to convert WMV to AVI in your app. No rate limits, up to 500MB files, simple REST endpoint.

View API Docs
Read our guides on file formats and conversion

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