FLV to WMV - Online Video Converter
Convert FLV to WMV online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
About FLV to WMV
Convert FLV to WMV. FLV is Adobe's Flash-video container carrying Sorenson Spark or H.264 streams. WMV pairs Microsoft's WMV video with WMA audio in an ASF wrapper. Protected store files cannot be converted; use DRM-free sources..
Why convert FLV to WMV?
- Smaller files with WMV lossy compression.
- Keep animation and transparency where supported.
- Private, no upload - runs in your browser.
FLV vs WMV
| 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. | WMV pairs Microsoft's WMV video with WMA audio in an ASF wrapper. |
When not to convert FLV to WMV
- Skip WMV 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 WMV 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. Protected store files cannot be converted; use DRM-free sources. Encode WMV (WMV2 / WMA) 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.