DEX Screener is an on-chain analytics platform that tracks real-time trading data across dozens of decentralized exchanges and blockchains. It offers tools like price charts, token alerts, watchlists, multi-chart views, and trending token insights. With support for over 30 networks including Ethereum, Solana, BNB Chain, and more, it enables traders to monitor liquidity, volume, new pairs, and chart trends at a glance.