Video Volume Booster
Make quiet videos louder or soften loud ones. Audio levels are adjusted losslessly.
🔒 100% private — runs in your browser⚡ Free forever🎯 No watermark
About this tool
Increase or decrease video audio volume — normalize loudness up to 200%.
Unlike most online tools, Video Volume Booster never uploads your files. Everything is processed locally on your device using modern browser APIs — your videos, audio and images stay private, and there are no file-size limits or queues.
Frequently asked questions
Yes — up to 300% (3×). Watch for clipping if the source is already loud.
No — the video stream is copied; only audio is adjusted, so it's fast and lossless.
Yes, free and private — the file never leaves your device.
More tools
Free, fast & private.
Video CompressorVideo to GIFVideo to MP3Video TrimmerVideo Speed ChangerVideo RotatorVideo Thumbnail ExtractorAudio ConverterAudio CutterAudio Speed ChangerAudio JoinerImage CompressorImage ResizerImage ConverterImage RotatorImage CropperSubtitle ConverterVideo ReverserVideo MergerVideo CropperWebM to MP4Audio NormalizerAudio ReverserRingtone MakerVoice RecorderImage BlurrerImage Filter EditorImage UpscalerImage to WebPWord CounterCase ConverterText to SpeechBase64 EncoderURL Encoder