Tonvela — Volume Control

Up to 400% volume, steady levels and a local speech filter. Your audio stays on your device.

Tonvela makes every video easy to hear: boost quiet tabs, keep loud and soft parts at a steady level, and bring speech forward. Everything runs on your device. • Up to 400% volume with a look-ahead peak limiter • Keep volume steady: quiet parts come up, loud parts come down • Keep this level: use what you hear right now as the target, with undo • Six listening modes: Normal, Steady, Speech, Night, Music and experimental Voice only • Voice only runs the bundled GTCRN speech model in your browser to reduce background sound • Per-site preferences, keyboard shortcuts, dark / light / system theme, English and Turkish Private by design: no servers, accounts, analytics, recording or microphone. Preferences stay in your browser. Open a video, click Tonvela and flip the switch.