Convert Opus to WAV
Convert Opus audio files to WAV format directly in your browser. WAV is the uncompressed PCM format required by Whisper / Otter / Rev transcription pipelines, DAWs, and forensic chain-of-custody workflows. No upload needed.
Drag 'n' drop files here, or
click to select files
.opus
Drop your files and click Convert to get WAV
//when_to_use
When to Convert Opus to WAV
- Converting WhatsApp voice notes (.opus) to WAV for OpenAI Whisper transcription (which strongly prefers PCM input)
- Decoding Discord recording (.opus) to WAV for import into Pro Tools, Logic, or Reaper for podcast editing
- Preparing Opus interview recordings as WAV for Otter.ai or Rev transcription pipelines
- Converting Opus voice memos to WAV for forensic / legal discovery workflows requiring uncompressed PCM masters
- Decoding Telegram saved Opus audio to WAV for analysis in Audacity, iZotope RX, or Adobe Audition
//comparison
OPUS vs WAV
| Property | OPUS | WAV |
|---|---|---|
| Compression | Lossy (Opus VBR) | Uncompressed PCM |
| Typical size (3 min voice) | 0.7-1.2 MB | 17-34 MB |
| Sample rate | 48 kHz internal | 48 kHz preserved |
| Transcription engine support | Whisper iffy | Whisper, Otter native |
| DAW import | Rejected by Pro Tools/Logic | Native everywhere |
| Best for | VoIP, voice notes, web | Transcription, editing, forensics |
//how_it_works
How It Works
Drop your Opus files
Drag and drop or select .opus files. First conversion loads FFmpeg WASM (~30MB).
FFmpeg decodes Opus
FFmpeg WASM parses the OGG container, extracts Opus packets, and decodes to 16-bit PCM at Opus's native 48 kHz.
Write RIFF WAV
PCM samples are written into a standard RIFF/WAVE container at 48 kHz, 16-bit signed little-endian — universal DAW format.
Download WAV files
WAVs feed directly into Whisper, Otter, Rev, Pro Tools, Logic, Audacity, iZotope RX, and every forensic audio tool.
// under the hood
Opus is a Xiph.Org / Mozilla / Skype lossy codec running internally at 48 kHz with adaptive CELT (music) + SILK (speech) modes. WAV is RIFF-wrapped uncompressed linear PCM. Our converter uses FFmpeg WASM to demux the OGG/Opus stream, decode to 16-bit signed PCM at 48 kHz, and write a standard RIFF WAV.
//faq
Frequently Asked Questions
- Does Opus to WAV improve audio quality?
- No. Opus is lossy — what the codec discarded is gone. WAV will be a bit-perfect uncompressed copy of what's already in the Opus, but adds nothing. The WAV will be 10-30x larger than the Opus with no extra audible detail.
- Why convert Opus to WAV?
- Three real reasons: (1) transcription engines (OpenAI Whisper, Google Speech-to-Text, Deepgram) often work better or only accept PCM WAV; (2) DAWs like Pro Tools and Logic don't import Opus; (3) forensic and legal workflows require an uncompressed master for chain-of-custody.
- What sample rate does the WAV use?
- Opus's internal rate is always 48 kHz, so the WAV is written at 48 kHz, 16-bit signed PCM little-endian. If your transcription pipeline wants 16 kHz mono, use ffmpeg locally for the resample — we keep the source rate to avoid any additional artifacts.
- How much larger will the WAV be?
- Opus at 32 kbps (typical WhatsApp voice note) is ~250 KB per minute. WAV at 48kHz/16-bit stereo is 11.5 MB per minute — about 50x larger. For mono voice (most Opus messages), WAV is 5.7 MB per minute, still ~25x bigger.
- Are my Opus files uploaded?
- No. FFmpeg WebAssembly decodes Opus and writes WAV entirely inside your browser tab. Files never leave your device — relevant for confidential voice notes and legal discovery.
//related_converters
Related Converters
Similar conversions you might need.
Convert Opus to MP3
Convert Opus audio to MP3 for legacy device compatibility — car stereos, old MP3 players, and DJ software.
→Convert Opus to OGG
Convert Opus audio to OGG Vorbis for game engines and players that don't speak Opus.
→Convert Opus to AAC
Convert Opus audio to AAC for Apple ecosystem playback — iPhone, iPad, Apple TV, CarPlay.
→Convert Opus to FLAC
Convert Opus audio to FLAC to stop further generational loss in re-edits and archival.
→Convert OGG to WAV
Convert OGG Vorbis audio to uncompressed WAV for DAW editing and professional workflows.
→Convert MP3 to WAV
Convert MP3 audio to uncompressed WAV for editing and professional audio workflows.
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