GlareGuard v1.0.0

Adaptive YouTube video dimming PWA — easy on the eyes.

Features

• 4 filter modes: Simple Dim, Dark Invert, Night Red, Night Green
• Darkness slider (0–100%) with smooth CSS filter engine
• Night vision modes with precise SVG color matrix tints — works in fullscreen
• Auto-detect brightness (experimental) — uses Screen Capture API to hold perceived brightness near your target
• Full UI dimming — header, settings, footer, and background all darken and tint to match your filter mode
• Pulsing slider glow — mode-matched color, scales with darkness for visibility
• End-screen overlay — blocks YouTube's end-screen links from opening new tabs; provides in-app Replay button and URL input
• PWA support — installable with offline caching via service worker
• Responsive dark theme — mobile-first, respects prefers-color-scheme
• Settings persistence via localStorage

Install

npm install
npm run dev # Dev server
npm run build # Production build

Or install as a PWA from the browser.