PUCA is a distraction blocker for Chromium based browsers - Specific element blocking for YouTube, Instagram, and X/Twitter (YouTube Shorts, Instagram Reels, X Trending, 30+ overall settings) - Custom "Focus Time" schedule with Days & Hours selectors - Three-state toggles for selected elements and websites. Show, Schedule, Hide - Hard Mode which locks all settings during scheduled time - Friendly “blocked to keep you focused” page