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Video to WAV Converter (Free, Online, No Upload)

Extract uncompressed WAV audio from any video file right in your browser. Nothing gets uploaded to a server. WAV is the standard for lossless audio, perfect for editing, transcription, or feeding into speech recognition tools. The conversion runs locally on your device.

Try it in your browser

Loading FFmpeg engine... (~31 MB)

Use the API

curl -X POST https://renderio.dev/api/v1/run-ffmpeg-command \
  -H "X-API-KEY: ffsk_your_api_key" \
  -H "Content-Type: application/json" \
  -d '{
  "ffmpeg_command": "-i {in_video} -vn -c:a pcm_s16le -ar 44100 {out_audio}",
  "input_files": {
    "in_video": "https://example.com/input.mp4"
  },
  "output_files": {
    "out_audio": "output.wav"
  }
}'

Need an API key? Get your free API key to start processing files programmatically.

Common Variations

16kHz mono for Whisper/transcription
-i input.mp4 -vn -ac 1 -ar 16000 -c:a pcm_s16le output.wav
48kHz 24-bit studio quality
-i input.mp4 -vn -c:a pcm_s24le -ar 48000 output.wav
From MOV source
-i input.mov -vn -c:a pcm_s16le -ar 44100 output.wav

Related Operations

Need to process at scale?

Automate this with the RenderIO FFmpeg API. Process thousands of files programmatically or through no-code video automation.