EQ Toolkit - Audio equalizer

EQ Toolkit is a free and open-source extension that provides audio control.

EQ Toolkit is a free, open-source audio equalizer and volume booster for Chrome. Tune sound on any tab, boost bass, adjust volume, save presets, and improve browser audio for music, videos, streams, podcasts, and calls. Use EQ Toolkit when browser audio is too quiet, bass is weak, voices are unclear, or different websites need different sound settings. The extension gives you per-tab audio control with a clean graphic equalizer and practical tools for everyday listening. Key features: - Audio equalizer for browser tabs - Volume boost and gain control from -24 dB to +24 dB - Bass boost, treble tuning, and custom frequency shaping - Adjustable EQ with 5-9 control points - Create, save, import, and export your own equalizer presets - Separate equalizer settings for different tabs - Mute or unmute tab audio - Auto-start rules for selected domains or exact URLs - Choose a preset for each auto-start rule - Configurable keyboard shortcuts for mute/unmute and enable/disable EQ - Window mode for sites where regular tab audio capture is limited - Optional spectrum visualization - Dark and light themes - Localized interface with 18 supported languages EQ Toolkit works with audio and video on websites such as music players, video platforms, streaming services, online radio, podcasts, and conference calls. The extension is free and open-source. EQ Toolkit does not collect, sell, or transfer your personal data.