Decibel Limiter by Joansiitoh

Never hear the spike. Limits sudden loud sounds on any website with real lookahead peak protection, Night / Social / Music presets and per-site memory. 100% local, no tracking.

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About this extension

Decibel Limiter protects your ears from sudden loud ads, stream screams and jarring volume jumps across the web.

Why it's different
- Real lookahead limiting stops peaks before they reach your headphones
- Scenarios: Night, Balanced, Social, Music — no studio jargon required
- Optional leveling that evens out quiet and loud parts (off for Music so dynamics stay intact)
- Remembers your settings per website
- 100% on-device — no tracking, no account, open source

How to start
1. Click the toolbar icon and press Enable
2. Pick Night if you use headphones late
3. Open Settings to adjust recovery speed, or to export/import your settings

Shortcuts
- Alt+Shift+D — toggle on/off
- Alt+Shift+S — cycle scenarios

Works on YouTube, Twitch, podcasts and social feeds, without becoming a distorting volume booster.

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Decibel Limiter by Joansiitoh

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