Convert WMV to FLV
Free, fast and secure — convert WMV to FLV right in your browser.
WMV
FLV
Convert WMV to FLV for wider compatibility
Converting WMV to FLV gives you a more widely supported file that opens cleanly across more devices, apps and platforms — handy when WMV will not play nicely everywhere.
How to convert WMV to FLV
- 1 Drop your WMV file into the converter above.
- 2 It is converted to FLV automatically — no settings to fiddle with.
- 3 Download your new FLV file instantly.
WMV vs FLV
| Feature | WMV | FLV |
|---|---|---|
| Compression | Lossy | Lossy |
| Transparency | No | No |
| Animation | Yes | Yes |
| MIME type | video/x-ms-wmv | video/x-flv |
| Best for | Legacy Windows video — converted to MP4 for modern sharing. | Rescuing old Flash video by converting it to MP4 or WebM. |
About the formats
WMV
Windows Media Video
WMV is Microsoft’s video format, once common on Windows for streaming and playback. It compresses well but is dated and poorly supported outside Windows.
Strengths
- Good compression for its era
- Plays natively on Windows
- Small files
Limitations
- Weak support on Mac, mobile and web
- Dated codec
- Often needs converting
Best for: Legacy Windows video — converted to MP4 for modern sharing.
FLV
Flash video
FLV is the old Flash video container. Once dominant for web streaming, it is now obsolete and almost always needs converting to a modern format like MP4.
Strengths
- Small files for its era
- Plays in legacy Flash players
- Common in old web archives
Limitations
- Obsolete — Flash is discontinued
- No support on modern devices
- Lower quality than modern codecs
Best for: Rescuing old Flash video by converting it to MP4 or WebM.
Frequently asked questions
Upload your WMV file above and it is converted to FLV automatically. When it is ready, download your new Flash video — the whole thing takes just a few seconds in your browser.
Converting WMV to FLV gives you a more widely supported file that opens cleanly across more devices, apps and platforms — handy when WMV will not play nicely everywhere.
Converting between compressed formats can introduce minor changes, but our converter keeps your FLV looking as close to the original as possible.
Yes. The converter is free to use, with no watermark and no sign-up required.
Your files are processed securely and are never shared with anyone.