FLV to GXF - Online Video Converter
Convert FLV to GXF online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
About FLV to GXF
Convert FLV to GXF. FLV is Adobe's Flash-video container carrying Sorenson Spark or H.264 streams. GXF is the Grass Valley server format for broadcast playout. Server metadata drops on export; the picture and sound carry over..
Why convert FLV to GXF?
- Smaller files with GXF lossy compression.
- Keep animation and transparency where supported.
- Private, no upload - runs in your browser.
FLV vs GXF
| 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. | GXF is the Grass Valley server format for broadcast playout. |
When not to convert FLV to GXF
- Skip GXF 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 GXF 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. Server metadata drops on export; the picture and sound carry over. Encode GXF (MPEG-2 / PCM) 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.