Convert FLV to WMA Online Free

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.

Quick Answer

ChangeThisFile extracts audio from your FLV Flash video and encodes it as WMA using FFmpeg on our secure servers. WMA integrates natively with Windows Media Player, Xbox, and Windows-based media systems. Files are auto-deleted, free with no signup required.

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Convert FLV to WMA

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Drag & drop your .flv file here, or click to browse

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FLV vs WMA: Format Comparison

Key differences between the two formats

FeatureFLVWMA
TypeAdobe Flash video containerMicrosoft proprietary audio format
DeveloperAdobe Systems (EOL)Microsoft (active)
StatusObsolete — Flash EOL 2020Supported in Windows ecosystem
Windows Media PlayerNot natively supportedNative format — opens immediately
Audio codecMP3, AAC, or NellymoserWindows Media Audio codec
File sizeSmall to moderate (video included)Small — audio only
Use caseLegacy Flash web contentWindows 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.

How to Convert FLV to WMA

  1. 1

    Upload your FLV file

    Drag and drop your .flv file onto the converter or click to browse and select it. Files up to 500MB are supported.

  2. 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.

  3. 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.

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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