The MetaMask extension is a secure crypto wallet and gateway to blockchain applications, available as a browser add-on. With the MetaMask extension, users can manage Ethereum-based assets, interact with decentralized apps (dApps), and securely store private keys. It simplifies sending, receiving, and swapping cryptocurrencies directly in your browser. The MetaMask extension supports major browsers like Chrome, Firefox, and Edge, providing seamless integration with Web3 platforms. Whether you're a developer or crypto enthusiast, the MetaMask extension offers a user-friendly interface and robust security features, making it an essential tool for navigating the decentralized web. Get started with MetaMask today.