
Sound Adjuster by tropic
Control the volume (gain) and stereo balance (pan) of audio in tabs. 5-Band Professional Equalizer (Bass, Low Mid, Mid, High Mid, Treble)
42 Users42 Users
You'll need Firefox to use this extension
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About this extension
Sound Adjuster lets you control audio in your browser tabs. Adjust volume (gain) and stereo balance (pan) easily with a simple slider interface. Perfect for fine-tuning audio playback in real-time. Lightweight, fast, and easy to use!
🎛️ PROFESSIONAL AUDIO CONTROL FOR FIREFOX
Take complete control of your web audio experience with Sound Adjuster
🎵 ADVANCED AUDIO FEATURES:
• 5-Band Professional Equalizer (Bass, Low Mid, Mid, High Mid, Treble)
• Precision Volume Control (0x to 3x gain)
• Stereo Balance (Pan from -1 to +1)
• Real-time Audio Processing with Web Audio API
• 8 Smart Presets: Rock, Pop, Jazz, Classical, Bass Boost, Vocal, Dance, Flat
🎨 MODERN USER INTERFACE:
• Dark/Light Theme with Smooth Transitions
• Responsive Mobile-First Layout
• Vertical Equalizer Sliders with Real-time dB Display
• Collapsible Sections for Clean Workspace
🔧 TECHNICAL EXCELLENCE:
• Manifest V3 Compatible (Firefox 109+)
• Multi-Frame Support (Works in embedded iframes)
• Cross-Origin Media Compatibility
• Advanced Audio Context Management
• Efficient Resource Usage
🌐 UNIVERSAL COMPATIBILITY:
Works seamlessly with:
• Any HTML5 audio/video player
• Embedded media and custom players
📱 RESPONSIVE DESIGN:
• Optimized for Desktop
• Adaptive UI that scales perfectly
🎵 Elevate your web audio experience to professional levels with Sound Adjuster!
🔗 Learn more: https://github.com/tropicaddons/sound-adjuster
📧 Support: [email protected]
Version 1.3 - Major Update
• Complete UI Redesign
• 5-Band Equalizer System
• Smart Audio Presets
• Manifest V3 Support
Privacy Notice: This extension operates entirely within your browser. It does not collect, store, or share any of your data. Your privacy is our priority.
Special thanks to Yush for contributing to the development of version 1.3 Your efforts have made this extension even better!
https://github.com/tropicaddons/sound-adjuster
🎛️ PROFESSIONAL AUDIO CONTROL FOR FIREFOX
Take complete control of your web audio experience with Sound Adjuster
🎵 ADVANCED AUDIO FEATURES:
• 5-Band Professional Equalizer (Bass, Low Mid, Mid, High Mid, Treble)
• Precision Volume Control (0x to 3x gain)
• Stereo Balance (Pan from -1 to +1)
• Real-time Audio Processing with Web Audio API
• 8 Smart Presets: Rock, Pop, Jazz, Classical, Bass Boost, Vocal, Dance, Flat
🎨 MODERN USER INTERFACE:
• Dark/Light Theme with Smooth Transitions
• Responsive Mobile-First Layout
• Vertical Equalizer Sliders with Real-time dB Display
• Collapsible Sections for Clean Workspace
🔧 TECHNICAL EXCELLENCE:
• Manifest V3 Compatible (Firefox 109+)
• Multi-Frame Support (Works in embedded iframes)
• Cross-Origin Media Compatibility
• Advanced Audio Context Management
• Efficient Resource Usage
🌐 UNIVERSAL COMPATIBILITY:
Works seamlessly with:
• Any HTML5 audio/video player
• Embedded media and custom players
📱 RESPONSIVE DESIGN:
• Optimized for Desktop
• Adaptive UI that scales perfectly
🎵 Elevate your web audio experience to professional levels with Sound Adjuster!
🔗 Learn more: https://github.com/tropicaddons/sound-adjuster
📧 Support: [email protected]
Version 1.3 - Major Update
• Complete UI Redesign
• 5-Band Equalizer System
• Smart Audio Presets
• Manifest V3 Support
Privacy Notice: This extension operates entirely within your browser. It does not collect, store, or share any of your data. Your privacy is our priority.
Special thanks to Yush for contributing to the development of version 1.3 Your efforts have made this extension even better!
https://github.com/tropicaddons/sound-adjuster
Rated 3.7 by 3 reviewers
Permissions and dataLearn more
Required permissions:
- Access browser tabs
- Access browser activity during navigation
- Access your data for all websites
More information
- Add-on Links
- Version
- 2.0
- Size
- 174.23 KB
- Last updated
- 4 days ago (Sep 10, 2025)
- Related Categories
- License
- MIT License
- Version History
- Add to collection
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