AV1 to WAV Converter

Extract WAV Audio from an AV1 File: Read This First

AV1 is a video codec, so this tool's job is to pull the audio track out of an AV1 file and decode it to uncompressed WAV (PCM). The catch worth knowing up front: a bare AV1 video stream has no sound of its own — you only get audio out if your file actually carries an audio track. The walk-through and error notes below explain exactly when this works and when it produces a silent file.

How to Convert AV1 to WAV

1. Upload Your AV1 File: Drag and drop your file or click "+ Add Files". Files are uploaded over an encrypted connection, processed on our servers, and deleted automatically a few hours after conversion — no sign-up, no watermark.
2. Pick the Audio Codec (PCM Format): WAV stores raw PCM. Leave the default for standard 16-bit WAV, or open the Audio Codec dropdown for PCM 24-bit Little Endian or PCM 32-bit Little Endian if you need extra headroom for editing, or PCM A-law / mu-law for telephony-style 8-bit audio.
3. Set Sample Rate and Channels (Optional): Both Audio Sample Rate and Audio Channel default to Original, which copies the source untouched — the safest choice. Force 44.1 kHz for CD work or 48 kHz for video, and switch Audio Channel to Mono to halve the file size of a voice recording. Use Trim to grab just a clip.
4. Convert and Download: Click "Convert" and download your WAV. Upload several AV1 files to batch them with the same settings.

Walk-through: Will Your AV1 File Actually Have Sound?

Whether you get audio depends entirely on how the AV1 was packaged, because the AV1 specification itself defines only video — audio always rides in the container alongside it. The two common cases:

• AV1 muxed in a container (MKV, WebM, MP4): These wrap an AV1 video track next to an audio track — almost always Opus, sometimes AAC or Vorbis. This is the normal case for an AV1 download from YouTube or a re-encoded movie, and it decodes to WAV cleanly. If your file ends in .mkv, .webm, or .mp4, you have audio.
• A raw/elementary AV1 bitstream (.av1, .ivf, .obu): This is video only. The IVF container holds exactly one elementary stream by design, and a raw .av1/.obu dump is nothing but coded video frames. There is no audio inside, so a WAV made from it would be empty or silent — nothing to extract. If you have a bare stream like this, the audio (if it ever existed) lives in a separate file.

If your goal is the soundtrack of a video that happens to use AV1, make sure you're uploading the full container file, not a demuxed video-only stream.

Common Errors and How to Fix Them

• "My WAV is silent / 0 bytes" — The source had no audio track. This is expected for a raw .av1 or .ivf stream; re-export or download the full container (MKV/WebM/MP4) that includes the audio.
• "WAV file is huge" — That's normal: WAV is uncompressed PCM at roughly 10 MB per minute for CD-quality stereo. For a shareable file, convert the audio to a compressed format instead with WebM to MP3, or trim to just the part you need.
• "Output won't go past ~4 GB" — The WAV format stores its size in a 32-bit field, so a single WAV file is capped near 4 GiB (about 6 hours of CD-quality stereo). For longer audio, split the source or use a compressed format.
• "Sound is there in the video but not in my WAV" — Some players read AV1+Opus containers with broken or non-standard Opus headers and stay silent even when the audio track exists. Uploading the file here re-decodes the track from scratch, which usually recovers audio that a finicky desktop player skipped.

When This Doesn't Work

If your AV1 file is a true elementary stream with no companion audio, no tool can manufacture sound that was never encoded — the fix is to find the original container or the separate audio file. If you actually want the whole video in a more compatible package rather than just its audio, transcode it with AV1 to MP4 instead, or use the matching MKV to WAV and MP4 to WAV tools when your file already sits in one of those containers.

Frequently Asked Questions

Does an AV1 file contain audio I can convert to WAV?

Only if the AV1 video is muxed inside a container (MKV, WebM, or MP4) that also holds an audio track — usually Opus or AAC. AV1 itself is a video-only codec from the Alliance for Open Media; a raw .av1, .ivf, or .obu elementary stream carries no audio at all, so it cannot produce a WAV with sound.

Why is my converted WAV silent or empty?

Because the source you uploaded had no audio track to decode — almost always a raw AV1 video stream. The audio, if it existed, was in a separate file or a different container. Re-upload the complete container file (the .mkv/.webm/.mp4) that bundles both video and audio.

What sample format does the WAV output use?

By default it produces standard 16-bit PCM. The Audio Codec dropdown also offers PCM 24-bit and 32-bit little-endian for editing headroom, plus PCM A-law and mu-law for compact telephony audio. WAV is RIFF-based and almost always uncompressed linear PCM.

Will I lose quality decoding AV1 audio to WAV?

The decode from the source codec (typically Opus or AAC) to PCM is lossless — WAV stores the decoded samples exactly. But the original encode to Opus/AAC was lossy, so WAV preserves that audio faithfully without restoring detail the lossy codec already discarded. WAV is a clean, edit-ready master, not a quality upgrade over the source.

Why are WAV files so much larger than the AV1 file?

WAV is uncompressed. In our testing, one minute of 44.1 kHz 16-bit stereo audio decodes to about 10 MB of WAV regardless of how small the compressed source was, because PCM stores every sample at full resolution. That size is the price of zero further compression and universal editor support.

Can I set the sample rate and channels myself?

Yes. Audio Sample Rate and Audio Channel both default to Original (copying the source), but you can force 44.1 kHz, 48 kHz, or 96 kHz and choose Mono or Stereo. Downmixing a stereo voice recording to mono roughly halves the WAV size with no audible loss for speech.