Free online BWF to MKA converter
BWF is broadcast WAV audio; MKA is a Matroska audio container.
Convert BWF to MKA online - free
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How to convert bwf to mka file
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Source format: BWF
BWF stands for Broadcast Wave Format, a professional audio file format based on standard WAV. It is widely used in broadcasting, film, TV production, field recording, and audio archiving. BWF files usually contain uncompressed PCM audio and can also store extra metadata such as timecode, originator information, and production notes. Because of that metadata support, BWF is common in workflows where audio needs to stay synchronized and traceable across editing systems.
Target format: MKA
MKA is an Matroska audio container. It is part of the Matroska family and is used to store one or more audio streams, often with metadata and chapter information. MKA is valued for its flexibility, good metadata support, and compatibility with modern media players and archival workflows. It can hold compressed or lossless audio, depending on the codec used inside the container.
How to convert BWF to MKA
The most reliable way to convert BWF to MKA is with FFmpeg, because it can read Broadcast Wave files and write Matroska audio containers directly.
- Install FFmpeg if it is not already available on your system.
- Open a terminal or command prompt in the folder containing your BWF file.
- Run a command such as
ffmpeg -i input.bwf -c:a copy output.mka. - If the source audio codec is not suitable for Matroska as-is, re-encode it instead, for example with
ffmpeg -i input.bwf -c:a flac output.mkafor lossless output. - Check the resulting file in a media player or with
ffprobe output.mkato confirm the audio stream and metadata.
If you prefer a graphical workflow, you can also use desktop tools that support Matroska export, but FFmpeg is usually the simplest and most dependable option for this specific conversion. You can also convert the file on 101convert.com for free, without installing any software.
Quality and compatibility notes
If your BWF file contains PCM audio, using -c:a copy may preserve the audio without quality loss, but only if the chosen Matroska output is compatible with that stream. If compatibility is uncertain, converting to FLAC inside MKA is a strong lossless option. Keep in mind that some BWF metadata, especially broadcast-specific fields, may not transfer perfectly into MKA because the containers store metadata differently. Also, not every player handles MKA equally well, so test the output in the software or device where it will be used.
Note: This bwf to mka conversion record is incomplete, must be verified, and may contain inaccuracies. Please vote below whether you found this information helpful or not.
BWF vs MKA: format comparison
How the BWF and MKA formats compare on the properties that matter most for this conversion.
| Property | .BWF Broadcast Wave Format | .MKA Matroska Audio |
|---|---|---|
| Compression | Uncompressed | Both |
| Audio quality | Lossless | — |
| Metadata support | Extensive | Extensive |
| Streaming | No | Partial |
| DRM protection | No DRM | Optional |
| Opens in a web browser | No | No |
| Typical file size | Large | Medium |
| Open standard | Yes | Yes |
| Best used for | Professional production | Music |
| Introduced | 1997 | 2003 |
| Developer | European Broadcasting Union (EBU) | Matroska.org |
| MIME type | audio/vnd.wave | audio/x-matroska |
Frequently asked questions
Is the BWF to MKA converter free?
Yes, converting BWF to MKA on 101convert.com is completely free. No registration, email address or installation is required.
How large can my BWF file be?
You can upload BWF files up to 1000 MB and convert up to 100 files at once in a single batch.
What happens to my uploaded files?
Files are processed automatically and deleted from our servers within a few minutes after conversion. We never view or share your files.
Do I need to install any software to convert BWF to MKA?
No. The BWF to MKA conversion runs entirely online in your browser and works on Windows, Mac, Linux, Android and iPhone.
Did the conversion fail?
In most cases, the cause is an incorrect file format. Please upload a valid BWF file for this BWF to MKA conversion. Occasionally, the issue may be on our side. We analyze recurring conversion failures and disable or fix the converter if we detect a defect.