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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.wav48kHz 24-bit studio quality
-i input.mp4 -vn -c:a pcm_s24le -ar 48000 output.wavFrom MOV source
-i input.mov -vn -c:a pcm_s16le -ar 44100 output.wavRelated Operations
Need to process at scale?
Automate this with the RenderIO FFmpeg API. Process thousands of files programmatically or through no-code video automation.