AVI to SWF - Online Video Converter
Convert AVI to SWF online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
About AVI to SWF
Convert AVI to SWF. AVI is Microsoft's 1992 RIFF container, often holding DivX or DV video. SWF is Adobe's interactive Flash format mixing vector animation with video. Only the embedded video track converts; scripts and buttons are dropped..
Why convert AVI to SWF?
- Smaller files with SWF lossy compression.
- Keep animation and transparency where supported.
- Private, no upload - runs in your browser.
AVI vs SWF
| Animation | Yes | Yes |
|---|---|---|
| Transparency | No | No |
| Compression | lossy | lossy |
| Typical use | AVI is Microsoft's 1992 RIFF container, often holding DivX or DV video. | SWF is Adobe's interactive Flash format mixing vector animation with video. |
When not to convert AVI to SWF
- Skip SWF for archival masters: lossy compression discards detail, so keep the AVI original.
- Keep a master copy: repeated exports stack small losses, so archive AVI before batch SWF shares.
Limits
Starting point: AVI - AVI is Microsoft's 1992 RIFF container, often holding DivX or DV video. Old codecs inside may need transcoding before modern players open them. Only the embedded video track converts; scripts and buttons are dropped. Encode SWF (Sorenson Spark / MP3) from AVI at a bitrate near the source, and confirm the audio track before converting.
How conversion works
Conversion runs entirely in your browser with FFmpeg WASM. Files never leave your device.