Convert Shockwave Flash (.swf) to Windows Media Audio (.wma) online for free. Fast, secure video conversion with no watermarks or registration.
Conversion settings — add a file to adjust
Upload your .swf file by dragging it into the upload area or clicking to browse.
Choose your output settings. The default settings work great for most files.
Click Convert and download your .wma file when it's ready.
SWF (Shockwave Flash) files contain embedded audio that has been inaccessible since Flash Player's end-of-life. WMA (Windows Media Audio) is Microsoft's proprietary audio codec, designed for the Windows ecosystem and deeply integrated with Windows Media Player, Windows desktops, and legacy Microsoft media workflows. Converting SWF to WMA extracts Flash audio and encodes it in Microsoft's audio format.
WMA was Microsoft's answer to MP3 and was widely used in the Windows XP and Vista era for digital music. While MP3 and AAC have largely overtaken WMA for general use, WMA remains relevant in Windows-centric enterprise environments, legacy media servers, and automotive systems that support Windows Media formats.
Some legacy Windows-based systems — corporate media servers, in-store music systems, automotive entertainment units, and Windows CE devices — specifically require WMA input. When Flash audio content must feed into these Windows-specific systems, WMA is the required format.
WMA also provides good audio quality at lower bitrates compared to older MP3 encoders. At 64-96 kbps, WMA delivers noticeably better quality than equivalent MP3, making it useful when Flash voice content must be distributed at very low bitrates over constrained networks.
The conversion engine uses FFmpeg to extract audio from the SWF container and encode using the WMA v2 codec at the specified bitrate (default 128 kbps). The output is a WMA file in an ASF (Advanced Systems Format) container. Sample rates are preserved from the source. WMA supports metadata tags for title, artist, and album information compatible with Windows Media Player.
WMA at 128 kbps provides good audio quality comparable to MP3 at similar bitrates. At lower bitrates (64-96 kbps), WMA tends to outperform MP3 in perceptual quality. The quality ceiling is the source Flash audio encoding. WMA Lossless is also available for archival-quality output, though it is less commonly used than FLAC.
| Device | SWF | WMA |
|---|---|---|
| Windows PC | Partial | Native |
| macOS | Partial | Partial |
| iPhone/iPad | Partial | Partial |
| Android | Partial | Partial |
| Linux | Partial | Partial |
| Web Browser | No |
Resolution: 1920x1080
Bitrate: 8-12 Mbps
H.264 recommended for fast processing
Resolution: 1080x1080
Bitrate: 3.5 Mbps
Square or 9:16 for Reels
Resolution: 1080x1920
Bitrate: 4 Mbps
9:16 vertical, under 60s ideal
Resolution: 1280x720
Bitrate: 5 Mbps
Under 140s, 512MB max
Resolution: 960x540
Bitrate: 2 Mbps
16MB limit for standard, 64MB for document
Resolution: 1280x720
Bitrate: 4 Mbps
8MB free, 50MB Nitro
SWF to WMA conversion extracts Flash audio into Microsoft's audio format, serving legacy Windows environments and systems that specifically require WMA input.
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| No |
| 기능 | SWF | WMA |
|---|---|---|
| 전체 이름 | Shockwave Flash | Windows Media Audio |
| 확장자 | .swf | .wma |
| 최적 용도 | Flash format | Windows native |