FLC to WebM (VP9) - Online Video Converter
Convert FLC to WebM (VP9) online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
About FLC to WebM (VP9)
Convert FLC to WebM. FLC extends the Animator flipbook with larger frames and deltas. WebM pairs VP9 video with Opus audio and supports an alpha channel. Apple editors accept it unevenly; keep MP4 for editing round-trips..
Why convert FLC to WebM (VP9)?
- Smaller files with WebM lossy compression.
- Keep animation and transparency where supported.
- Private, no upload - runs in your browser.
FLC vs WebM (VP9)
| Animation | Yes | Yes |
|---|---|---|
| Transparency | No | Yes |
| Compression | lossless | lossy |
| Typical use | FLC extends the Animator flipbook with larger frames and deltas. | WebM pairs VP9 video with Opus audio and supports an alpha channel. |
When not to convert FLC to WebM (VP9)
- Skip WebM 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 WebM shares.
Limits
Starting point: FLC - FLC extends the Animator flipbook with larger frames and deltas. Frame deltas can glitch on corrupt frames; verify playback. Apple editors accept it unevenly; keep MP4 for editing round-trips. Encode WebM (VP9 / Opus) 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.