Convert AVI to ASF Online — Free
Fast, free AVI to ASF converter. No registration required.
Drop files here or click to browse
Supports: AVI files
Max: 100MB (free) · 2GB (Pro)
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How to Convert
Upload your .avi 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 .asf file when it's ready.
What is AVI?
AVI is a multimedia container format introduced by Microsoft. While older, it remains popular for its simplicity and wide compatibility with Windows systems.
Format Details
- Full Name
- Audio Video Interleave
- Extension
- .avi
Key Features
- Windows native
- Wide codec support
- Simple structure
- Legacy compatibility
What is ASF?
ASF is a Microsoft container format designed for streaming audio and video. It can contain various codecs including WMV and WMA.
Format Details
- Full Name
- Advanced Systems Format
- Extension
- .asf
Key Features
- Streaming optimized
- Microsoft format
- DRM support
- Web delivery
AVI vs ASF
| Feature | AVI | ASF |
|---|---|---|
| Full Name | Audio Video Interleave | Advanced Systems Format |
| Extension | .avi | .asf |
| Best For | Windows native | Streaming optimized |