Why is the WAV file so much bigger than the source video?

WAV stores audio completely uncompressed as PCM samples, unlike MP3 or AAC which discard inaudible detail to shrink file size. A few minutes of stereo audio can easily reach tens of megabytes — that size is expected and is exactly why WAV preserves full fidelity.

Should I use WAV or MP3 for a podcast?

WAV if you still need to edit or mix the audio — MP3 for the final distributed file. Converting to a lossy format too early means any later edits compound additional quality loss on top of what MP3 already discarded.

What if my video has no audio track?

There's nothing to extract — the tool will show an error. Check the file in a media player first to confirm it actually has sound.

Does this work with MKV files that have multiple audio tracks?

It extracts the default (first) audio track. If you need a different language or commentary track, switch to it in a media player and re-export the video first, or use FFmpeg directly with a track index.

Is 16-bit PCM good enough for professional audio work?

16-bit at the source video's native sample rate is CD-quality and sufficient for the overwhelming majority of editing, mixing, and archival use cases.

All ToolsVideo ToolsVideo to WAV

Video to WAV

Extract uncompressed WAV audio from any video file — no upload needed.

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Video to WAV

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What is Video to WAV?

Video to WAV extracts the audio track from any common video file and saves it as an uncompressed WAV — the format most digital audio workstations, video editors, and sound-design tools expect as a starting point rather than a lossy MP3. It accepts MP4, MKV, AVI, MOV, and WebM interchangeably, skips video decoding entirely with FFmpeg's -vn flag, and writes the audio out as 16-bit PCM — the same uncompressed format used on audio CDs.

WAV matters when the audio is heading somewhere that re-encoding would hurt: importing a voiceover into a DAW for mixing, feeding a dialogue track into noise-reduction software, or archiving an interview recording at full fidelity before any lossy compression happens. Converting straight to MP3 bakes in compression artifacts immediately; pulling a WAV first keeps every editing option open.

The whole extraction runs inside your browser via FFmpeg WebAssembly, so the source video is never uploaded anywhere.

Need a smaller, more shareable file instead? Extract Audio from Video outputs compressed MP3, and Video to AAC is a good middle ground for Apple devices.

How It Works

FFmpeg reads the video container, applies -vn to skip video decoding entirely, and encodes the audio stream to pcm_s16le — standard 16-bit linear PCM — inside a WAV container. Because PCM is uncompressed, the output file is considerably larger than the source video's audio footprint, but carries zero generation loss from the original decoded audio.

How to Use

1
Upload any video file
MP4, MKV, AVI, MOV, or WebM — drop it onto the upload area.
2
Click Extract to WAV
FFmpeg skips the video stream and decodes only the audio track.
3
Download the WAV
Save the uncompressed audio file, ready for a DAW, editor, or archive.

Who Uses This Tool

🎚️

DAW & Audio Editing

Pull a lossless WAV from a recorded video to mix, clean up, or master in Audacity, Logic, or similar software.

🗣️

Voiceover & Dialogue Work

Extract clean source audio from an interview or presentation recording for noise reduction or dialogue editing.

📼

Archival Quality

Save audio at full fidelity before any lossy compression, keeping every future editing option open.

Why Choose This Tool

Zero Generation Loss

Uncompressed PCM output carries no additional compression artifacts beyond what the original codec already introduced.

Works With Any Common Format

One tool handles MP4, MKV, AVI, MOV, and WebM sources without needing a format-specific page.

Fully Local Processing

FFmpeg WebAssembly runs entirely in your browser — the video is never uploaded.

Also Try

Extract Audio (MP3)Video to AAC Video to M4A WAV to MP3 Trim Video

Key Benefits

Accepts MP4, MKV, AVI, MOV, and WebM as input
Uncompressed 16-bit PCM — no lossy re-encoding
Ideal starting point for DAWs and audio editors
Skips video decoding for fast processing
Browser-based — nothing is uploaded to a server
No watermark, no account required for standard sizes

Frequently Asked Questions

Also Known As

video to wav converter online freeextract wav from videomp4 to wav online freeconvert video to uncompressed audiovideo to pcm wav browserwav extractor from video

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