🔊 Video Volume Changer

Boost or reduce the audio track of any video — up to 200%. Video quality is untouched. All processing runs in your browser.

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Upload Video

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Drop a video file here

or click to browse — MP4, MKV, MOV, WebM, AVI supported

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About This Tool

This tool uses FFmpeg.wasm to adjust video audio volume using the volume filter. The video stream is copied without re-encoding, so processing is fast and video quality is preserved. Only the audio track is re-encoded.

🎬 MP4 · MKV · MOV · WebM · AVI

🔊 0% to 200% volume range

⚡ Video stream copied — fast

✓ Zero server transmission