Convert Waveform Audio (.wave) to Matroska Video (.mkv) online for free. Fast, secure audio conversion with no watermarks or registration.
Upload your .wav 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 .mkv file when it's ready.
Converting WAVE to MKV (Matroska) embeds audio in a flexible open-source container that supports virtually any audio and video codec. MKV's Matroska container can hold PCM audio directly (without re-encoding), lossless codecs like FLAC, or lossy codecs like AAC and Vorbis — all with rich metadata, chapters, and multiple embedded streams.
WAVE files (.wave or .wav) contain the same RIFF/PCM data. When wrapped in MKV, the audio can be accompanied by subtitle tracks, chapter markers, and extensive metadata that WAVE alone cannot carry.
MKV's strength is its flexibility — it can hold any audio codec, multiple audio tracks, embedded subtitles, and chapter information in a single file. If you need to bundle WAVE audio with chapter markers, lyrics, or multiple language tracks, MKV provides a container that supports all of this.
Media server software like Plex, Jellyfin, and Kodi handle MKV natively and read its rich metadata for library organization. Embedding audio in MKV allows integration into media server workflows where standalone WAVE files would lack proper metadata display.
FFmpeg can mux WAVE PCM audio directly into MKV without re-encoding (using -c:a pcm_s16le or copy). MKV's Matroska container uses EBML (Extensible Binary Meta Language) which supports any codec. For compressed output, FLAC within MKV provides lossless compression, while AAC or Vorbis provide lossy compression. MKV's chapter system uses XML-based definitions for precise navigation points.
With PCM or FLAC encoding, quality is lossless — identical to the WAVE source. With lossy codecs (AAC, Vorbis, Opus), standard lossy compression quality applies based on the chosen bitrate. MKV itself introduces no quality change — it is purely a container.
| Device | WAV | MKV |
|---|---|---|
| Windows PC | Partial | Partial |
| macOS | Partial | Partial |
| iPhone/iPad | Partial | Partial |
| Android | Partial | Partial |
| Linux | Partial | Partial |
| 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
WAVE to MKV provides a flexible container upgrade with rich metadata and multi-stream capabilities. Use PCM or FLAC within MKV for lossless quality.
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| No |
| Funktion | WAV | MKV |
|---|---|---|
| Fullstandigt namn | Waveform Audio File Format | Matroska Video |
| Filandelse | .wav | .mkv |
| Bast for | Lossless quality | Multiple audio tracks |