FLC to ASF - Online Video Converter
Convert FLC to ASF online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
About FLC to ASF
Convert FLC to ASF. FLC extends the Animator flipbook with larger frames and deltas. ASF is Microsoft's streaming container that usually wraps WMV and WMA. Live-archive headers can confuse players; remuxing usually repairs them..
Why convert FLC to ASF?
- Smaller files with ASF lossy compression.
- Keep animation and transparency where supported.
- Private, no upload - runs in your browser.
FLC vs ASF
| Animation | Yes | Yes |
|---|---|---|
| Transparency | No | No |
| Compression | lossless | lossy |
| Typical use | FLC extends the Animator flipbook with larger frames and deltas. | ASF is Microsoft's streaming container that usually wraps WMV and WMA. |
When not to convert FLC to ASF
- Skip ASF 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 ASF shares.
Limits
Starting point: FLC - FLC extends the Animator flipbook with larger frames and deltas. Frame deltas can glitch on corrupt frames; verify playback. Live-archive headers can confuse players; remuxing usually repairs them. Encode ASF (WMV2 / WMA) 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.