Volume Control & Sound Booster - Smart Volume

Boost Chrome volume up to 600% and control the sound of every browser tab. Smart Volume is a lightweight volume control and sound booster for quiet videos, unclear speech, loud tabs, and inconsistent audio. Use it when YouTube volume is too low, a course recording is hard to hear, a meeting voice is unclear, or one tab is much louder than the rest. Adjust per-tab volume, mute distractions, Solo the current tab, enhance voices, normalize loudness, and remember settings for each website. Key features: - Volume boost from 0% to 600% - Speech mode for clearer voices in courses, meetings, podcasts, and video dialogue - Bass mode for fuller music and media playback - Night mode for softer listening with reduced low-end pressure - Auto normalize to bring quiet audio closer to a comfortable level - Limiter to reduce harsh peaks when boosting above 100% - Per-site profiles that remember volume, mode, auto normalize, and limiter settings - Tab mixer with per-tab volume, mute, Solo, and restore controls - Keyboard shortcuts for faster daily control - Local-only settings with no tracking and no remote audio processing Designed for: - YouTube videos that are too quiet - Online courses and lectures - Podcasts and interviews - Web meetings and voice calls - Streaming sites with inconsistent volume - Users who keep many tabs open and need to balance several audio sources Privacy: Smart Volume Control stores settings and small usage counters locally in Chrome. The counters only delay the optional rating prompt until repeated useful use. It does not transmit browsing history, page content, audio content, personal data, analytics events, or tracking identifiers. No audio is uploaded or processed on a remote server. Update Description: 2026/10/1: fixed several volume tune bugs