Adjust Video Volume
Make a video louder or quieter.
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About Adjust Video Volume
Adjust the audio volume of any video file directly in your browser. Whether a recording has barely audible speech that needs amplification or loud background noise that needs attenuation, this tool provides precise control over the audio gain.
Because the tool applies audio filter amplification while performing a direct stream copy of the video track (`-c:v copy`), the video stream is never re-encoded or compressed. This preserves 100% of the original video clarity, prevents pixelation, and executes the operation in seconds. All processing takes place within your browser via WebAssembly, so your video files never leave your computer or phone.
How to use Adjust Video Volume
- Drag and drop your video file into the tool above or select it from your device.
- Adjust the volume slider to your desired percentage (from 0% for mute up to 300% for quiet recordings).
- Click Apply volume to recalculate audio levels while preserving the original video stream without re-encoding.
- Preview the video with updated audio levels and click Download to save the MP4 to your device.
FAQ
- Can I boost quiet audio?
- Yes, up to a point; extreme boosts may distort clipped audio.
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