YouTube Volume Too Low

YouTube applies loudness normalization that reduces the level of videos mastered very loud, bringing them toward a common target. It does not raise quiet videos, because doing so would amplify the noise floor. That asymmetry is why some videos are unavoidably quiet.

Check in this order

The player slider
YouTube remembers its own volume separately from the system and it is easy to leave low.
Browser app volume
The Windows volume mixer holds a per-browser level.
Other videos
If only one video is quiet, the upload is quiet. Nothing on your side will change that except amplification.
Dialogue specifically
For content folded down from surround, the voice booster targets speech better than plain gain.

What a quiet upload actually looks like

A well-produced video typically arrives with its loudest peaks close to full scale and an average level not far below the platform target. A phone-recorded clip can peak well below that, with the speaking voice lower still, which is why the gap between two videos can feel enormous even though both are playing at 100%.

Nothing in the player can recover that, because the slider only attenuates. Amplification has to happen after the player hands its output to the browser, which is exactly what tab capture allows on Chromium desktop browsers.

Boost the tab

Boost a YouTube tabCapture the tab in Chrome or Edge and amplify it.

Drop an audio or video file here, or choose one. It is processed on your device and never uploaded.

Tab audio capture needs Chrome or Edge on desktop. File boosting works everywhere.

Processed on your device — nothing is uploaded. Loud audio can damage hearing: lower your system volume before boosting, then raise it gradually.

Frequently asked questions

Why are some YouTube videos so much quieter?

Uploads vary enormously in production quality, and YouTube only normalizes downward. A video recorded at a low level stays at that level.

How do I make YouTube louder than 100%?

Capture the tab in Chrome or Edge and apply gain, which happens after the player output and so exceeds the player's own maximum.

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