Technical Features
Under the hood: FilterTube v2.0's advanced data interception architecture and technical capabilities.
FilterTube v2.0 Architecture
FilterTube v2.0 represents a complete architectural overhaul, moving from CSS-based hiding to advanced data interception technology. This new approach provides faster, more reliable filtering with zero visual flicker.
Key Technical Improvements
- ✓Data Interception: Filters content before rendering, not after
- ✓Zero-Flash Technology: No visual flicker during filtering
- ✓Multi-World Architecture: Isolated script execution for security
- ✓Performance Optimized: Millisecond response times
Zero-Flash Data Interception Architecture
FilterTube v2.0 intercepts YouTube's raw JSON data before content is rendered, eliminating visual flicker and providing instant filtering.
How Data Interception Works
- •Intercepts YouTube's API responses before they reach the page
- •Processes and filters JSON data in real-time
- •Removes unwanted content from the data stream
- •Allows filtered data to render normally
Data Interception Flow
// Simplified data interception process
1. YouTube API Request → YouTube Servers
2. YouTube Servers → Raw JSON Response
3. FilterTube Intercepts → JSON Data
4. Apply Filters → Modified JSON Data
5. Modified Data → YouTube Renderer
6. Clean Content → User's Browser
// No visual flicker because filtering happens
// before any content is rendered to the page
Performance Impact
Multi-World Script Architecture
FilterTube uses isolated script execution environments to ensure security, performance, and compatibility with YouTube's complex architecture.
Script Isolation Benefits
- •Main World: Handles data interception and core filtering logic
- •Isolated World: Manages user interface and settings
- •Content Script: Bridges communication between worlds
- •Background Script: Handles persistent settings and updates
Architecture Overview
Main World (YouTube Context)
├── Data Interception Layer
├── JSON Processing Engine
└── Filter Application Logic
Isolated World (Extension Context)
├── User Interface Components
├── Settings Management
└── Filter Configuration
Communication Bridge
├── Secure Message Passing
├── Event Coordination
└── State Synchronization
Security First
Comprehensive Renderer Support
FilterTube v2.0 supports all YouTube rendering modes and page types, ensuring consistent filtering across the entire platform.
Supported YouTube Features
- •Homepage feed and recommendations
- •Search results and filters
- •Channel pages and playlists
- •Trending and explore pages
- •YouTube Shorts (with dedicated filtering)
- •YouTube Kids (enhanced safety features)
Universal Compatibility
Performance Optimized
FilterTube v2.0 is engineered for minimal performance impact while providing maximum filtering effectiveness.
Performance Metrics
Response Times
- • Filter processing: <2ms
- • Data interception: <1ms
- • UI updates: <5ms
Resource Usage
- • Memory overhead: <10MB
- • CPU usage: <1%
- • Network impact: 0%
Performance Optimizations
// Efficient filter matching algorithms
- Hash-based keyword lookup: O(1) complexity
- Compiled regex patterns: Pre-optimized
- Lazy evaluation: Process only visible content
- Memory pooling: Reuse objects to reduce GC
// Asynchronous processing
- Non-blocking filter execution
- Background data processing
- Incremental UI updates
- Smart caching strategies
Privacy & Security by Design
FilterTube v2.0 implements privacy-first architecture with local processing and zero data collection.
Security Features
- •Local Processing: All filtering happens in your browser
- •No Data Collection: Zero telemetry or analytics
- •Encrypted Storage: Settings stored securely locally
- •Minimal Permissions: Only necessary browser permissions
- •Open Source: Full code transparency and auditability
Privacy Guarantee
Automatic Updates & Resilience
FilterTube v2.0 includes intelligent update mechanisms and resilience features to handle YouTube's frequent changes.
Resilience Features
- •Adaptive Selectors: Automatically adjusts to YouTube UI changes
- •Fallback Mechanisms: Multiple filtering strategies for reliability
- •Error Recovery: Graceful handling of unexpected scenarios
- •Version Compatibility: Works across YouTube updates
Update Strategy
// Automatic adaptation system
1. Detect YouTube changes
2. Test current filtering methods
3. Apply compatibility patches
4. Update user seamlessly
5. Log success metrics
// Fallback chain
Primary: Data Interception
Secondary: DOM Manipulation
Tertiary: CSS Hiding
Emergency: Safe Mode
Cross-Browser Support (MV3 & Legacy)
FilterTube v2.0 supports both Manifest V3 (Chrome) and legacy extension APIs (Firefox) while maintaining feature parity.
Browser Compatibility
✅ Fully Supported
- • Chrome (MV3)
- • Firefox (MV2)
- • Edge (MV3)
🔄 In Development
- • Safari
- • Brave
- • Opera
Cross-Browser Architecture
// Manifest V3 (Chrome/Edge)
{
"manifest_version": 3,
"host_permissions": ["*://*.youtube.com/*"],
"content_scripts": [{
"matches": ["*://*.youtube.com/*"],
"js": ["content.js"],
"world": "MAIN"
}]
}
// Manifest V2 (Firefox)
{
"manifest_version": 2,
"permissions": ["*://*.youtube.com/*"],
"content_scripts": [{
"matches": ["*://*.youtube.com/*"],
"js": ["content.js"]
}]
}