Stay focused. Get things done.

LockedIn is an open-source browser extension that helps you focus on YouTube by removing distracting elements.

Compatible with: Firefox, Microsoft Edge, and Chromium-based browsers

Features:

• Hide Homepage Feed with motivational memes
• Smart Video Sidebar Controls:
  • Hide Recommended Videos while keeping playlists visible
  • Separate toggle for playlists visibility
• Block YouTube Shorts (separate controls for homepage & search)
• Hide Comments & Live Chat
• Hide Search Recommendations, Subscriptions & "More From YouTube"
• Disable Autoplay
• Instant element hiding with zero delays
• New organized UI with 4 logical groups
• Power button to quickly toggle entire extension
• "Take a Break" mode that temporarily disables the extension, flashes a warning when time is up, and auto-redirects you back to the homepage
• Stats tracking for time saved and content blocked

Privacy: Zero data collection. No external network requests. All processing happens locally in your browser.

• Firefox: Get it on Firefox Add-ons
• Edge: Get it on Edge Add-ons
• Chrome: Coming soon to Chrome Web Store

Content Script (content.js)
Runs on YouTube pages and handles element hiding using MutationObserver to detect dynamic content.

Popup Interface (popup/)
Simple toggle switches for each feature. Settings are saved instantly and synced across your devices.

• 📖 Building from Source
• 🤝 Contributing Guide
• 🔒 Privacy Policy
• 📋 Changelog
• 🐛 Report Issues
• 💬 Discussions
• 🌐 Website

No tracking. No data collection. No external servers.

• Popup HTML Fixes: Sponsor and Feedback texts now render translated HTML links instead of showing raw markup
• Localization Robustness: Further hardening of section detection across languages (Explore/More from YouTube/Subs) carried forward
• Transcript Reliability: Transcript/engagement panels continue to auto-surface via the global observer

-- Expanded Language Coverage: Explore/Trending/More from YouTube/Subscribers detection now uses broader localized titles plus URL fallbacks to work across all YouTube languages -- Transcript Robustness: Added global observer to surface transcripts/engagement panels immediately after they load in any language and keep the sidebar visible for them -- Bug Fixes: Prevented “You” section from being hidden by More from YouTube toggle and hardened sidebar section matching

• Multi-Language Popup Support: Extension popup now supports 9+ languages (English, German, French, Spanish, Italian, Arabic, Turkish, Korean, Chinese)
• Automatic Theme Detection: Popup automatically switches between light/dark mode based on browser theme
• Hide Subscriptions Toggle: New toggle to hide the Subscriptions section from YouTube sidebar
• Language-Independent Detection: Multi-layered detection system for Explore/Trending/MoreFromYT toggles
• URL-Based Primary Detection: Works across all languages using URL patterns as primary identifier
• Confidence Scoring System: Combines URL, text (9+ languages), and structural position detection
• Dynamic Sidebar Monitoring: MutationObserver continuously applies hiding rules when sidebar updates
• Firefox Compliance: Removed service_worker field and all innerHTML usage for Mozilla security requirements

• Menu Tab: New menu interface with enhanced navigation and controls
• Light Mode Theme: Optional light theme for better visibility
• Take a Break Feature: Background alarm-based timer with auto-redirect and flash notifications
• Instant CSS Hiding: Pre-render hiding eliminates distraction flicker
• Context-Aware Toggles: Parent/child toggles appear only when relevant
• Popup Refinements: Improved layout spacing and clearer section dividers

• Livestream Fix: Fixed sidebar recommendations not hiding on YouTube livestream pages
• UI Layer Fix: Improved meme overlay z-index to prevent covering search suggestions
• Toggle Independence: Fixed Shorts toggle cross-interference between homepage and search
• Enhanced Detection: Better livestream video renderer detection (ytd-compact-autoplay-renderer)
• Stability: Strengthened sidebar hiding logic and improved page-type detection

• Smart Sidebar: Improved video page sidebar controls
  • New toggle to show/hide playlists separately
  • Refined recommended videos hiding to preserve playlists
  • Better user control over sidebar content
• UI Enhancements: Optimized popup interface dimensions
• Technical: Updated internal version references

• UI Overhaul: Complete popup redesign with 4 logical groups and thread-line styling
• New Features: Added hide comments, search recommendations, and "More From YouTube" filters
• Split Controls: Separate toggles for homepage and search Shorts hiding
• Motivational Memes: Display random meme when homepage feed is hidden
• Footer Updates: GitHub and Support links with auto-version display
• Bug Fixes: Fixed homepage feed hiding and search recommendations filtering
• Optimization: Compressed meme images (1.7MB → 188KB total extension size)

• Cross-Browser Support: Now compatible with Firefox, Edge, and Chrome
• Edge Add-ons: Available on Microsoft Edge Add-ons store
• Multi-Platform: Single codebase works across all browsers

Full Changelog

• Manifest V3 - Latest extension standard
• Vanilla JavaScript - No frameworks or libraries
• No build tools - Code you see is what runs in the browser
• MutationObserver API - Dynamic content detection

MIT License - see LICENSE for details.

• Bug Reports: GitHub Issues
• Feature Requests: GitHub Discussions
• Email: kartikhalkunde26@gmail.com