FLC to SWF - Online Video Converter
Convert FLC to SWF online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
About FLC to SWF
Convert FLC to SWF. FLC extends the Animator flipbook with larger frames and deltas. 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 FLC to SWF?
- Smaller files with SWF lossy compression.
- Keep animation and transparency where supported.
- Private, no upload - runs in your browser.
FLC vs SWF
| Animation | Yes | Yes |
|---|---|---|
| Transparency | No | No |
| Compression | lossless | lossy |
| Typical use | FLC extends the Animator flipbook with larger frames and deltas. | SWF is Adobe's interactive Flash format mixing vector animation with video. |
When not to convert FLC to SWF
- Skip SWF for archival masters: lossy compression discards detail, so keep the FLC original.
- Keep a master copy: repeated exports stack small losses, so archive FLC before batch SWF shares.
Limits
Starting point: FLC - FLC extends the Animator flipbook with larger frames and deltas. Frame deltas can glitch on corrupt frames; verify playback. Only the embedded video track converts; scripts and buttons are dropped. Encode SWF (Sorenson Spark / MP3) from FLC 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.