FLV to YUV - Online Video Converter
Convert FLV to YUV online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
About FLV to YUV
Convert FLV to YUV. FLV is Adobe's Flash-video container carrying Sorenson Spark or H.264 streams. YUV holds raw planar pixels with no container or compression. Dimensions must be set by hand since headers carry no size..
Why convert FLV to YUV?
- Larger files than lossy shares with YUV uncompressed quality.
- Keep animation and transparency where supported.
- Private, no upload - runs in your browser.
FLV vs YUV
| Animation | Yes | Yes |
|---|---|---|
| Transparency | No | No |
| Compression | lossy | uncompressed |
| Typical use | FLV is Adobe's Flash-video container carrying Sorenson Spark or H.264 streams. | YUV holds raw planar pixels with no container or compression. |
When not to convert FLV to YUV
- Skip YUV for the smallest share: lossless output stays large, so prefer a lossy target when sending FLV files.
- Keep a master copy: repeated exports stack small losses, so archive FLV before batch YUV 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. Dimensions must be set by hand since headers carry no size. Encode YUV (Raw Video) 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.