FLV to AVI - Online Video Converter
Convert FLV to AVI online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
About FLV to AVI
Convert FLV to AVI. FLV is Adobe's Flash-video container carrying Sorenson Spark or H.264 streams. AVI is Microsoft's 1992 RIFF container, often holding DivX or DV video. Old codecs inside may need transcoding before modern players open them..
Why convert FLV to AVI?
- Smaller files with AVI lossy compression.
- Keep animation and transparency where supported.
- Private, no upload - runs in your browser.
FLV vs AVI
| Animation | Yes | Yes |
|---|---|---|
| Transparency | No | No |
| Compression | lossy | lossy |
| Typical use | FLV is Adobe's Flash-video container carrying Sorenson Spark or H.264 streams. | AVI is Microsoft's 1992 RIFF container, often holding DivX or DV video. |
When not to convert FLV to AVI
- Skip AVI for archival masters: lossy compression discards detail, so keep the FLV original.
- Keep a master copy: repeated exports stack small losses, so archive FLV before batch AVI shares.
Limits
Starting point: FLV - FLV is Adobe's Flash-video container carrying Sorenson Spark or H.264 streams. Flash-era players are gone, so convert for current browsers. Old codecs inside may need transcoding before modern players open them. Encode AVI (MPEG-4 / MP3) from FLV 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.