Convert 3GPP Multimedia (.3gpp) 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 .3gpp 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.
WMA (Windows Media Audio) is Microsoft's proprietary audio format, widely deployed in Windows XP/Vista-era systems and still found in enterprise environments built on Microsoft's media stack. Converting 3GPP to WMA extracts the audio and encodes it using Microsoft's codec, producing files that integrate natively with Windows Media Player, legacy Windows applications, and Microsoft's DRM infrastructure.
Certain enterprise Windows deployments — corporate intranets, IVR telephone systems, SharePoint media libraries, and Windows-based kiosk applications — still require or prefer WMA format. If your organization standardized on Windows Media Audio for its media assets, converting 3GPP phone recordings to WMA maintains format consistency.
WMA also supports Microsoft's Digital Rights Management, which some organizations use to control audio distribution. For DRM-protected audio delivery through a Windows Media infrastructure, WMA is the required format. Outside of these specific use cases, AAC or MP3 are generally more versatile choices.
FFmpeg decodes the audio from the 3GPP container and re-encodes using the WMA2 codec at the specified bitrate. Output is wrapped in an ASF container with a .wma extension. Standard settings range from 64 to 320 kbps. The WMA encoder produces CBR (constant bitrate) or VBR output.
WMA at 128 kbps is comparable to MP3 at the same bitrate. For speech content from AMR sources, 64 kbps WMA is transparent. The format is adequate for all content types at standard bitrates, though AAC generally provides slightly better quality per bit.
| Device | 3GPP | 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
3GPP to WMA is a specialized conversion for Microsoft-centric environments. Unless WMA is specifically required by your target system, AAC or MP3 provide broader compatibility.
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| Funktion | 3GPP | WMA |
|---|---|---|
| Fulde navn | 3GPP Multimedia File | Windows Media Audio |
| Filendelse | .3gpp | .wma |
| Bedst til | Mobile standard | Windows native |