Convert WMV to FLV

Fast, free, and secure WMV to FLV conversion. No registration required.

Fast, free, and secure WMV to FLV conversion. No registration required.

Drag & drop your file here

or click to browse

Loading limits...

High Quality

Maintain maximum quality during conversion

Fast Processing

Convert files in seconds with our optimized engine

Secure & Private

Files automatically deleted after conversion

How to Convert WMV to FLV

1

Upload WMV File

Click the "Select File" button to upload your wmv file from your device.

2

Start Conversion

Click the "Convert" button to instantly start converting to FLV.

3

Download FLV

Download your converted flv file immediately after processing.

Why Convert WMV to FLV?

Converting from WMV Video (Windows Media) to FLV Video (Flash Video) is useful when you need compact file sizes. WMV Video (Windows Media) has limitations: poor compatibility outside windows ecosystem. FLV Video (Flash Video) addresses this by offering compact file sizes and quick to decode. FLV (Flash Video) was once the dominant video format for web streaming, used by YouTube, Hulu, and most video websites in the Flash Player era.

Xonvert uses professional-grade conversion tools to ensure the highest possible quality when converting WMV Video (Windows Media) to FLV Video (Flash Video). The output is optimized for the target format's strengths.

WMV vs FLV — Technical Comparison

FeatureWMVFLV
ContainerASF (Advanced Systems Format)Flash Video
Video CodecWMV 9 (VC-1)
Audio CodecWMA
DRMWindows Media DRM
StreamingMMS protocol
Video CodecsSorenson Spark, VP6, H.264
Audio CodecsMP3, AAC, Speex
StatusDeprecated (Flash EOL 2020)
SuccessorMP4 with H.264

About WMV Video (Windows Media)

WMV (Windows Media Video) is Microsoft's proprietary video format that was once the default for Windows video content and streaming. While still found on many Windows systems, WMV has been largely replaced by MP4 for general use.

Strengths

  • Native Windows compatibility
  • DRM support for protected content
  • Reasonable compression ratios
  • Widely supported by Windows media players

Limitations

  • Poor compatibility outside Windows ecosystem
  • Not supported by most web browsers
  • Proprietary Microsoft format
  • Outdated technology compared to H.264/H.265

Developed by Microsoft (1999)

About FLV Video (Flash Video)

FLV (Flash Video) was once the dominant video format for web streaming, used by YouTube, Hulu, and most video websites in the Flash Player era. While Flash has been discontinued, many legacy video files remain in FLV format and need conversion to modern formats like MP4.

Strengths

  • Compact file sizes
  • Quick to decode
  • Still common in legacy content
  • Wide conversion tool support

Limitations

  • Flash Player discontinued in 2020
  • No modern browser support
  • Limited audio/video codec options
  • No future development or updates

Developed by Macromedia/Adobe (2002)

WMV to FLV — Frequently Asked Questions

What is the difference between WMV and FLV?

WMV Video (Windows Media) wmv (windows media video) is microsoft's proprietary video format that was once the default for windows video content and streaming. FLV Video (Flash Video) flv (flash video) was once the dominant video format for web streaming, used by youtube, hulu, and most video websites in the flash player era. The key differences are: WMV Video (Windows Media) offers native windows compatibility, while FLV Video (Flash Video) provides compact file sizes.

Will I lose quality converting WMV to FLV?

Xonvert uses professional-grade conversion tools to ensure the highest possible quality when converting WMV Video (Windows Media) to FLV Video (Flash Video). The output is optimized for the target format's strengths.

When should I use FLV instead of WMV?

Use FLV Video (Flash Video) when you need converting legacy flash video content or archival of old web videos. Compact file sizes. Use WMV Video (Windows Media) when legacy windows video content.

Can I convert WMV to FLV for free?

Yes. Xonvert lets you convert WMV to FLV completely free with no registration. Free users get a daily conversion limit. Upgrade to Pro ($4.99/mo) for higher limits, larger file sizes, and priority processing.

What are the best use cases for FLV?

FLV Video (Flash Video) is best for: Converting legacy Flash video content; Archival of old web videos; Compatibility with older systems. Compact file sizes. Quick to decode.

Related Conversions

© 2026 Xonvert. All rights reserved.