Convert FLV to WMA Online Free
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Extract the audio from your FLV Flash video and save it as WMA — the Windows Media Audio format. Useful for Windows Media Player users wanting to access audio from old Flash-era web video content.
By ChangeThisFile Team · Last updated: March 2026
ChangeThisFile converts FLV to WMA using FFmpeg, a professional-grade multimedia framework, to transcode FLV files to WMA format with optimized codec settings and quality preservation. Free with no signup required. Files are encrypted during transfer and automatically deleted from our servers after conversion.
FLV vs WMA: Format Comparison
Key differences between the two formats
| Feature | FLV | WMA |
|---|---|---|
| Type | Adobe Flash video container | Microsoft proprietary audio format |
| Developer | Adobe Systems (EOL) | Microsoft (active) |
| Status | Obsolete — Flash EOL 2020 | Supported in Windows ecosystem |
| Windows Media Player | Not natively supported | Native format — opens immediately |
| Audio codec | MP3, AAC, or Nellymoser | Windows Media Audio codec |
| File size | Small to moderate (video included) | Small — audio only |
| Use case | Legacy Flash web content | Windows Media Player, Xbox, Windows devices |
When to Convert
Common scenarios where this conversion is useful
Open FLV audio in Windows Media Player
Windows Media Player does not support FLV files. Converting the audio to WMA creates a file that opens immediately in Windows Media Player — no codec installation or plugin required.
Migrate Flash-era content audio to Windows media library
Build a Windows Media Player music library from old Flash-era web video content. Convert FLV audio to WMA to add tracks with proper metadata into your Windows Media library.
Transfer FLV audio to Xbox via WMA
Xbox consoles support WMA playback from USB drives and network shares. Convert FLV audio to WMA to play soundtracks and audio from old Flash-era content through your Xbox and home theater system.
Share Flash-era audio with Windows-only users
FLV requires Flash Player or VLC to open on Windows. Converting to WMA provides a file that any Windows user can open in Windows Media Player without downloading additional software.
Create audio from FLV tutorials for corporate Windows training
Corporate training content from the Flash era was often delivered as FLV. Extract audio as WMA for redistribution on Windows systems where WMA opens natively without requiring Flash or codec packs.
Who Uses This Conversion
Tailored guidance for different workflows
Podcasters
- Pull the audio from a recorded FLV interview or webinar and publish it as a WMA episode
- Convert a FLV livestream recording to WMA so listeners can catch up on the go
Musicians & Producers
- Extract a performance take from a FLV video into WMA to edit in your DAW
- Rip reference audio from a FLV clip to WMA for sampling or transcription
Content Creators
- Convert a FLV recording to WMA to reuse the soundtrack as background audio or a voiceover
- Turn a FLV talk into a WMA audiogram or clip for social platforms
How to Convert FLV to WMA
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1
Upload your FLV file
Drag and drop your .flv file onto the converter or click to browse and select it. The free tier accepts files up to 25MB; eligible paid browser access accepts up to 100MB.
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2
Server-side WMA encoding
Your FLV is uploaded over HTTPS and FFmpeg extracts and decodes the audio (MP3, AAC, Nellymoser, or PCM), encoding it as WMA. The video stream is discarded.
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3
Download your WMA file
Click Download to save the .wma file. The original FLV and WMA output are automatically deleted from our servers after download.
Developers: convert via API →
Frequently Asked Questions
No. Windows Media Player does not support FLV natively and has no built-in Flash support. Converting to WMA removes this dependency entirely — WMA opens natively in Windows Media Player.
FLV files commonly contain MP3, AAC, Nellymoser (voice chat), or PCM audio. FFmpeg decodes all of these standard FLV audio codecs when converting to WMA.
Yes. WMA is a lossy codec. Converting from FLV audio (typically MP3 or AAC) to WMA involves re-encoding, adding a small quality reduction. At 192 kbps WMA, the difference is generally imperceptible.
FFmpeg encodes WMA at a high quality bitrate by default, typically 192 kbps. This provides excellent quality for music, speech, and general audio content.
Yes. Xbox One and Xbox Series X/S support WMA playback from USB drives, network shares, and OneDrive. Copy your converted WMA files to a USB drive to play them on Xbox.
Yes. VLC supports both FLV and WMA on Windows, macOS, Linux, Android, and iOS. For cross-platform playback of FLV, VLC is the best option. WMA is a more universally openable format on Windows specifically.
Yes. ChangeThisFile is completely free. No signup, no limits, and no fees.
FFmpeg supports Nellymoser decoding. The audio will be decoded and re-encoded as WMA. Note that Nellymoser was a low-quality voice codec, so audio quality will reflect the original source limitations.
Very fast — typically just seconds. Only the audio stream is processed and the video is discarded.
Yes. All uploads are HTTPS-encrypted and files are deleted from our servers immediately after conversion. We never retain or access your content.
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