Convert ASF to AVI Online — Free
Fast, free ASF to AVI converter. No registration required.
Drop files here or click to browse
Supports: ASF files
Max: 100MB (free) · 2GB (Pro)
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How to Convert
Upload your .asf 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.
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
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
ASF vs AVI
| Feature | ASF | AVI |
|---|---|---|
| Full Name | Advanced Systems Format | Audio Video Interleave |
| Extension | .asf | .avi |
| Best For | Streaming optimized | Windows native |