Convert Windows Media Audio (.wma) to Ogg Vorbis (.ogg) online for free. Fast, secure audio conversion with no watermarks or registration.
Conversion settings — add a file to adjust
Upload your .wma 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 .ogg file when it's ready.
WMA is Microsoft's proprietary audio codec, once dominant in the Windows ecosystem. OGG Vorbis is Xiph.org's open-source lossy audio codec, designed as a patent-free alternative to both MP3 and WMA. Vorbis delivers better perceived quality than WMA Standard and MP3 at equivalent bitrates, and is used internally by Spotify and natively supported by Firefox, Chrome, Android, and all major game engines.
Converting WMA to OGG Vorbis moves your audio from a proprietary Microsoft format to an open standard with superior quality characteristics. This migration is particularly relevant for Linux users, game developers, and web developers who need patent-free audio.
OGG Vorbis is royalty-free and open-source, making it the preferred choice for game audio (Unity, Unreal, Godot), Linux media libraries, and web applications where patent licensing is a concern. Vorbis consistently outperforms WMA Standard in quality comparisons at equivalent bitrates.
For developers distributing software, OGG Vorbis has zero licensing costs. WMA requires the Windows Media framework, which is Windows-only. Converting to OGG enables cross-platform audio delivery on Linux, macOS, Android, and web browsers without any proprietary dependencies.
FFmpeg decodes the WMA stream from its ASF container and encodes using the libvorbis encoder into an OGG container. Vorbis uses variable bitrate (VBR) encoding by default with quality levels -1 to 10 (approximately 45-500 kbps). The encoder applies MDCT and psychoacoustic modeling optimized for each quality level. Metadata is stored as Vorbis comments within the OGG stream header. The conversion is a transcode with cumulative quality loss since both codecs are lossy.
Vorbis at quality level 5 (~160 kbps) produces transparent audio for most listeners. Since both WMA and Vorbis are lossy, transcoding introduces generation loss. Encoding Vorbis at a quality level matching or exceeding the WMA bitrate minimizes perceptible degradation. For 128 kbps WMA, Vorbis quality 5-6 (~160-192 kbps) absorbs transcoding artifacts well.
| Device | WMA | OGG |
|---|---|---|
| Windows PC | Native | Partial |
| macOS | Partial | Partial |
| iPhone/iPad | Partial | Partial |
| Android | Partial | Native |
| Linux | Partial | Native |
| Web Browser | No |
Resolution: N/A
Bitrate: 320 kbps
OGG Vorbis preferred
Resolution: N/A
Bitrate: 256 kbps
AAC format required
Resolution: N/A
Bitrate: 128 kbps
Lossless FLAC/WAV for best quality
Resolution: N/A
Bitrate: 128 kbps
MP3 mono for spoken word
WMA to OGG Vorbis migrates proprietary Windows audio to the open-source standard. Use Vorbis quality 5-7 for excellent results from WMA sources.
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| Native |
| Funktion | WMA | OGG |
|---|---|---|
| Fullstandigt namn | Windows Media Audio | Ogg Vorbis |
| Filandelse | .wma | .ogg |
| Bast for | Windows native | Open source |