Adjust Video Volume
Is your video too quiet or too loud? Adjust the audio volume from 0% (silent) to 300% (triple boost). Perfect for normalizing audio levels across clips or boosting soft recordings.
No account, no login, no credit card — just open and use.
How It Works
Upload your video
Drag the volume slider to desired level
Process and download the adjusted video
Features
Use Cases
Boost quiet interview recordings
Reduce loud background music
Normalize audio across multiple clips
A gain knob, applied honestly
This is deliberately the simplest audio tool on the site: one multiplier, applied uniformly across the whole soundtrack. 200% doubles the amplitude — roughly a 6 dB lift, a clearly audible step. There is no compression, limiting or normalization happening behind your back; what you set is exactly what the waveform gets.
That simplicity has one sharp edge. Digital audio has a hard ceiling, and multiplication does not care where it is. Peaks that cross it flatten into clipping, which sounds like crackling sandpaper and cannot be undone afterwards. The safe workflow: preview at your chosen level, and if you hear grit on the loudest moments, step the boost down.
Leveling footage before it ships
The everyday case is rescuing quiet recordings — lecture capture from the back row, an interview where the mic favored one speaker, screen recordings where system audio came in low. A 150–250% lift moves these from strained to comfortable. The reverse case matters too: game captures and concert clips often arrive hot, and pulling them to 60–80% saves your audience the jump-scare.
When assembling multiple clips with Merge, level each clip here first so the splice points do not lurch between loud and quiet. Consistent level across cuts is one of those details viewers never notice — which is exactly the sign it worked.
Frequently Asked Questions
How much can I boost or reduce the volume?
From 0% (fully silent) to 300% (triple the original amplitude). The slider maps directly to FFmpeg's volume filter — 150% multiplies the waveform by 1.5, 50% halves it.
Will boosting to 300% distort the sound?
It can. Amplification multiplies the waveform, and any peaks pushed past digital full scale clip into harsh distortion. Quiet recordings — a distant phone mic, a soft-spoken meeting — take a 200–300% boost gracefully because their peaks start low. Already-loud audio does not; boost it modestly or not at all.
Is the video re-encoded when I change volume?
No — only the audio is processed and re-encoded at AAC 192 kbps. The picture is stream-copied untouched, so processing is fast even for long files and video quality is not in play.
Can I use this to mute a video?
Setting 0% technically silences it, but the file still carries a (silent) audio track. If you want the track gone entirely — smaller file, unambiguous silence — Remove Audio is the purpose-built tool.
Why is my video quiet in the first place?
Usually distance and gain: phone mics record whatever level reaches them, and platforms do not normalize uploads the way music streaming does. Fixing it at the file level here means the video plays at a sane level everywhere, instead of forcing every viewer to reach for their volume keys.
Often Used Together
Ready to Adjust Video Volume?
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Open Adjust Video Volume Tool — FreeNo sign-up • No installation • Works on any device