A B C

Projects

Browser extensions built to enhance your daily workflow

A B C Per-Tab Audio Control

The audio controls browsers forgot to include

Take complete control of audio in your browser. Boost quiet videos, fine-tune levels, or mute specific tabs while keeping others playing. Works with YouTube, Spotify, Twitch, and thousands of other sites. Features a real-time audio visualizer, per-tab output device selection, and a built-in limiter to prevent distortion at high volumes.

Audio Modes

  • Tab Capture (Chrome only, default) — captures audio at browser level, most reliable
  • Web Audio (Firefox default) — hooks into page audio directly
  • Bypass Mode — native browser audio for maximum compatibility (0-100%)
  • Per-site mode preferences saved automatically

Visualizer

  • Five styles: Bars, Waveform, Mirrored, Curve, Dots
  • Click and hold to cycle through styles
  • Works on all sites via Tab Capture (Chrome default)

Volume Control

  • Volume range from 0% to 500% per tab
  • Non-linear slider: left half for 0-100%, right half for 100-500% boost
  • Five customizable preset buttons for quick access
  • Built-in limiter prevents clipping and protects speakers
  • Badge shows current volume percentage on extension icon

Audio Processing

  • Balance slider for left/right panning
  • Channel modes: Stereo, Mono, Swap
  • Bass Boost/Cut for low frequency control
  • Treble Boost/Cut for high frequency control
  • Voice Boost for clearer dialogue
  • Range (compressor) with presets: Podcast, Movie, Maximum

Device Selection

  • Route each tab to different audio outputs
  • Set a global default device for new tabs
  • Useful for gaming + music, streaming + chat, work calls

Site Rules

  • Save settings for specific websites or domains
  • Auto-apply volume, EQ, compressor, device, and more
  • Syncs across devices via browser account

Convenience

  • Keyboard shortcuts: Alt+Shift+Up/Down (volume), Alt+Shift+M (mute)
  • Right-click context menu with full feature access
  • Mute other tabs to focus on one audio source
  • Navigate between tabs with audio
  • Basic/Advanced mode toggle for simplified or full UI
  • Customizable header layout via drag-and-drop in Settings

Privacy

  • No data collection, analytics, or tracking
  • All processing happens locally in your browser
  • Settings sync via your browser account only

Screenshots

Popup Interface - EQ Sliders

Popup bedtime theme with EQ sliders

Bedtime Theme

Popup morning theme with EQ sliders

Morning Theme

Popup Interface - EQ Presets

Popup bedtime theme with EQ presets

Bedtime Theme

Popup morning theme with EQ presets

Morning Theme

User Guide

User Guide bedtime theme

Bedtime Theme

User Guide morning theme

Morning Theme

Settings

Settings bedtime theme

Bedtime Theme

Settings morning theme

Morning Theme

Chrome — Pending Review Firefox — Soon View Source Changelog

More Projects Coming

Have an idea for a browser extension? Patreon is coming soon - join the community and help shape what gets built next.

Patreon — Soon