Amplify quiet videos up to 200%. Clear audio, no distortion. 100% free, works in browser.
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Boost Video Volume Online - Free Tool | 2025
Amplify quiet videos up to 200%. Clear audio, no distortion. 100% free, works in browser.
Drop your video here or click to select
MP4, MOV, WEBM supported (max 500MB)
Processing is done entirely in your browser. No data is sent to any server.
Boost Your Video's Volume
Recorded a video with low audio? Some phone recordings or screen captures have barely audible audio. TofuKit's volume booster amplifies your video's audio up to 200%, making it clear and audible without distortion.
How to Boost Volume
1
Upload Video
Select the video with low audio you want to amplify.
2
Set Volume Level
Use the slider to choose how much to boost (+50% to +200%).
3
Download
Save your video with louder, clearer audio.
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FAQ
Moderate boosts (+50% to +100%) usually sound clean. Higher boosts may introduce some distortion if the original audio was very quiet.
No. Video quality remains untouched. Only the audio track is amplified.
You can boost audio up to 200% (3x the original volume). For best results, start with +100%.
Processing is done entirely in your browser. No data is sent to any server.
