Technical Documentation
Comprehensive technical details about our audio processing pipeline, quality preservation methods, and system architecture.
Legal Notice: This service processes publicly available metadata and audio streams for personal backup purposes only. Users must comply with local copyright laws and Spotify's Terms of Service.
System Architecture
Frontend Stack
- • Framework: Next.js 15.4.4 (App Router)
- • Language: TypeScript 5.0+
- • Styling: Tailwind CSS + shadcn/ui
- • State Management: React Hooks + Context
- • Performance: Vercel Edge Runtime
Backend Services
- • Metadata API: Python Flask (Vercel)
- • Audio Processing: FFmpeg + Python
- • CDN: CloudFlare Global Network
- • Monitoring: Pingdom + Sentry
- • Analytics: Google Analytics 4
Data Flow Architecture
URL Input → Validation → Metadata Extraction → Audio Stream Location → Quality Processing → Format Conversion → Download Delivery
Each step includes error handling, rate limiting, and quality validation to ensure reliable operation.
Technical References & Standards