LoFiComposer

LoFi Composer 🎵

Chrome Extension for playing procedurally generated lo-fi music in the background

Features

• Fully Algorithmic - No samples, pure Web Audio API synthesis
• Procedural Generation - Jazz chord progressions, drums, bass, melody
• Mood Presets - Chill (68 BPM), Flow (75 BPM), Night (62 BPM)
• Rain Ambience - Procedurally generated rain sounds
• Auto-Regenerate - Fresh compositions every 5/10/15/30 minutes
• Pomodoro Timer - Work/break cycles with automatic mood switching
• Session Timer - Track your focus time
• Badge Indicator - Visual playback status on extension icon
• Fade In/Out - Smooth audio transitions
• Lo-Fi Effects - Vinyl crackle, reverb, filtering
• Retro 90s UI - Authentic teal/yellow Memphis design aesthetic
• Offline Ready - Works without internet connection

Installation

1. Open Chrome and go to chrome://extensions/
2. Enable “Developer mode” (top right)
3. Click “Load unpacked”
4. Select the LoFiComposer folder

Usage

Click the extension icon in your toolbar to open the popup:

• Mood Buttons - Choose CHILL 😌, FLOW 🔥, or NIGHT 🌙
• ▶ PLAY - Start the music
• ⏸ PAUSE - Pause playback
• ↻ NEW VIBE - Generate a fresh composition
• VOLUME - Adjust master volume
• RAIN AMBIENCE - Mix in procedural rain sounds
• AUTO-REGEN - Set automatic composition refresh interval
• 🍅 POMODORO MODE - Enable work/break cycles (25/5 min default)
  • Automatically switches to FLOW mood during work
  • Switches to CHILL mood during breaks
• Session Timer - Displays elapsed time or Pomodoro countdown

Tech Stack

• Tone.js (Web Audio framework)
• Vanilla JavaScript
• CSS3 animations
• Chrome Extension Manifest V3

How It Works

The extension generates music using:

• 6 jazz chord progressions with extended chords (9th, 11th)
• 3 mood presets affecting BPM, velocity, and instrument mix
• Procedural bass lines following chord roots
• Lo-fi drum patterns (kick, snare, hi-hat) with humanization
• Sparse melody generation based on mood
• Pink noise for vinyl ambience
• Procedural rain sound with reverb
• Fade in/out transitions
• Master gain control with low-pass filtering

Support

For questions, feedback, or bug reports, please contact:

• Email: abhishek7gg7@gmail.com
• GitHub Issues: theabbie/LoFiComposer

License

MIT License - see LICENSE file for details

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