Custom Color GCal

About

Custom Color GCal lets you take back visual control of your Google Calendar.

🎨 CUSTOM COLORS
• Change the background and text color of any calendar event
• 14 preset colors + free hex input
• Native color picker for precise selection
• Real-time preview before applying

🔤 CUSTOM FONTS
• Choose from 7 font families (system, serif, sans-serif, monospace)
• Adjust size (small, normal, medium, large)
• Control weight (normal, medium, bold) and style (italic)

🔗 CHAIN APPLICATION
• One click to apply a style to ALL occurrences of a recurring event
• Automatic detection of similar events in the current view
• Impact counter before confirmation
• Smart matching (case-insensitive)

🔒 PIN PROTECTION
• Hide sensitive event titles ("🔒 Protected Event")
• AES-GCM encryption with PBKDF2 key derivation (100,000 iterations)
• Temporary unlock with automatic re-lock
• PIN is never stored in plain text

📦 EXPORT / IMPORT
• Back up your entire configuration as JSON
• Restore it on another device in one click
• Easy reset when needed

✅ PRIVACY FIRST
• 100% local: NO data ever leaves your browser
• No analytics, no tracking, no external servers
• No personal data collection whatsoever
• Minimal permissions (local storage only)

⚙️ BUILT TO LAST
• Light and dark mode support (auto-detection)
• Resilient to Google Calendar DOM updates (MutationObserver)
• Accessible interface (WCAG AA, keyboard navigation, aria-labels)
• Clean, readable, non-obfuscated source code

Perfect for professionals juggling meetings, personal appointments, and confidential time slots. Take control of your calendar.