MetaMask for Android. Supported Browsers. Chrome · Firefox · Brave · Edge · Opera. Learn More. About · Developers · Download · MetaMask Institutional.An Ethereum Wallet in your Browser. A secure wallet and gateway to blockchain sites Whether you are an experienced user or brand new to blockchain, MetaMask MetaMask is an extension for accessing Ethereum enabled distributed applications, or "Dapps" in your browser! The extension injects the Ethereum web3 API into Whether you are an experienced user or brand new to blockchain, MetaMask helps you connect to the decentralized web: a new internet.