Crypto Tracker is a fast and lightweight web application that lets users quickly view real-time cryptocurrency prices and variations — no login required. Easily track current prices, 24h highs and lows, market cap rank, and visualize historical price charts with a clean, responsive interface.
🔍 Quick Search: Instantly find your favorite cryptocurrencies.
💵 Real-Time Prices: See up-to-date prices, 24h high/low, and market cap rank.
📈 Historical Price Charts: Visualize market trends with interactive charts.
🌙 Dark Mode Design: Clean and elegant interface optimized for any device.
⚡ No Authentication: Simple and open access — no sign-up needed.
Next.js — React Framework for SSR & SSG.
TailwindCSS — Utility-first CSS for rapid UI styling.
Recharts — Lightweight and customizable data visualizations.
React Query — Efficient data fetching and caching.
CoinGecko API — Reliable and free crypto market data source.
Clone the repository:
git clone https://github.com/yourusername/crypto-tracker.gitNavigate to the project directory:
cd crypto-trackerInstall dependencies:
npm installnpm run devor
npm run build
npm startVisit: http://localhost:3000
🔑 API Key Crypto Tracker uses the CoinGecko API, which currently does not require authentication for basic requests. If you want to use a private key for higher rate limits, configure it via:
API_URL="https://api.coingecko.com/api/v3"
API_KEY=your_api_key_hereThis project is licensed under the MIT License — see the LICENSE file for details.
Made by Rodolfo Berwanger