Transform your reading data into actionable insights

MappChart is a fully client-side analytics tool that converts your reading history into visual dashboards, metrics, and behavioral insights — directly from .csv exports of Maratona.app.

⚡ No backend
🔒 100% privacy-first
📈 Instant insights in your browser

🚀 What You Get

• 📂 Upload your reading history (.csv)
• 🧠 Automatic data validation & normalization
• 📊 Real-time charts and analytics
• 📅 Time-based insights (week / month / year)
• 🏆 Reading patterns and behavior tracking
• 🧩 Session-based achievement system

🔍 Core Features

• CSV ingestion (client-side)

• Schema validation (Zod)

• Data normalization pipeline

• ISBN-based deduplication

• Metrics derivation (KPIs)

• Interactive charts (ECharts)

• Temporal analysis:

  • Weekly
  • Monthly
  • Yearly (current year)

• Data

⚙️ Processing Pipeline

CSV Upload
→ Parse CSV (PapaParse)
→ Validate Schema (Zod)
→ Normalize Data
→ Remove Duplicates (ISBN)
→ Derive Metrics
→ Generate Charts
→ Render Dashboard