Convert Shockwave Flash (.swf) to Audio Video Interleave (.avi) online for free. Fast, secure video conversion with no watermarks or registration.
Conversion settings — add a file to adjust
Upload your .swf 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.
SWF (Shockwave Flash) is Adobe's discontinued multimedia container that stored vector animations, bitmap sequences, and embedded video with interactivity. AVI (Audio Video Interleave) is Microsoft's legacy video container introduced in 1992, storing interleaved video and audio streams in the RIFF structure. Converting SWF to AVI extracts the visual content from the Flash format and packages it in the long-established AVI container that is compatible with virtually every Windows video application and editor.
AVI's simplicity and ubiquity make it a practical choice for archiving Flash content. Every version of Windows Media Player, every video editor from Adobe Premiere to VirtualDub, and every legacy media application supports AVI. For Flash content preservation in Windows-centric environments, AVI provides reliable, universally supported storage.
AVI is the most widely supported video container on Windows. When Flash animations and presentations need to be incorporated into Windows-based video editing workflows, played on Windows media systems, or archived in a format that Windows applications have supported for three decades, AVI is the natural target. The format requires no codec installation or special configuration on any Windows system.
AVI is also commonly used as an intermediate format in video production. Flash animations converted to AVI can be imported into video editors (Premiere, Vegas, DaVinci Resolve), composited with other footage, and exported to final delivery formats. AVI's simple structure makes it a reliable transfer format between production stages.
The conversion engine uses FFmpeg to decode the SWF container, extract visual frames and audio, and re-encode them into an AVI container. Video is encoded using MPEG-4 ASP (DivX-compatible) or H.264 for modern compatibility. Audio is encoded as MP3 or PCM within the AVI. Frame rate matches the SWF's specified FPS (commonly 12, 24, or 30 fps for Flash content). Resolution matches the SWF stage dimensions.
Visual quality depends on the source SWF content type. Flash video converts at quality limited by the original encoding. Vector animations are rasterized at the SWF stage dimensions with anti-aliasing. The AVI encoding quality matches the chosen codec settings — MPEG-4 at reasonable bitrates preserves good visual quality. AVI with PCM audio preserves sound at full fidelity.
| Device | SWF | AVI |
|---|---|---|
| Windows PC | Partial | Native |
| macOS | Partial | Partial |
| iPhone/iPad | Partial | Partial |
| Android | Partial | Partial |
| Linux | Partial | Partial |
| Web Browser | No |
Resolution: 1920x1080
Bitrate: 8-12 Mbps
H.264 recommended for fast processing
Resolution: 1080x1080
Bitrate: 3.5 Mbps
Square or 9:16 for Reels
Resolution: 1080x1920
Bitrate: 4 Mbps
9:16 vertical, under 60s ideal
Resolution: 1280x720
Bitrate: 5 Mbps
Under 140s, 512MB max
Resolution: 960x540
Bitrate: 2 Mbps
16MB limit for standard, 64MB for document
Resolution: 1280x720
Bitrate: 4 Mbps
SWF to AVI conversion produces Windows-compatible video from Flash content, creating universally playable files suitable for editing, archiving, and presentation.
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8MB free, 50MB Nitro
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| Funktion | SWF | AVI |
|---|---|---|
| Fulde navn | Shockwave Flash | Audio Video Interleave |
| Filendelse | .swf | .avi |
| Bedst til | Flash format | Windows native |