FLI to WebM (VP9) - Free Online Video Converter
Convert FLI to WebM (VP9) online for free. Private, client-side - no upload required. Batch conversion, quality presets, codec control.
About FLI to WebM (VP9)
Convert FLI to WebM. FLI is Autodesk's 320x200 Animator flipbook format from 1989. 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 FLI to WebM (VP9)?
- Smaller files with WebM lossy compression.
- Keep animation and transparency where supported.
- Free, private, no upload - runs in your browser.
FLI vs WebM (VP9)
| Animation | Yes | Yes |
|---|---|---|
| Transparency | No | Yes |
| Compression | lossless | lossy |
| Typical use | FLI is Autodesk's 320x200 Animator flipbook format from 1989. | WebM pairs VP9 video with Opus audio and supports an alpha channel. |
When not to convert FLI to WebM (VP9)
- Skip WebM for archival masters: lossy compression discards detail, so keep the FLI original.
- Keep a master copy: repeated exports stack small losses, so archive FLI before batch WebM shares.
Limits
Starting point: FLI - FLI is Autodesk's 320x200 Animator flipbook format from 1989. Tiny palettes remap on export; expect shifted colors. Apple editors accept it unevenly; keep MP4 for editing round-trips. Encode WebM (VP9 / Opus) from FLI 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.