The Metamask Chrome Extension is available for popular web browsers, including Chrome, Firefox, and Brave. Installation is straightforward: Visit the official Metamask® website. MetaMask, a renowned name in the blockchain space, introduces its browser extension—an innovative tool that brings the power of Ethereum and decentralized finance (DeFi) directly to The MetaMask extension allows you to buy, send, spend, swap, and exchange your digital assets. Make pay ments to anyone, anywhere. Customize your wallet with community The Metamask Chrome Extension allows you to buy, send, spend, swap, and exchange your digital assets. Make pay ments to anyone, anywhere. Customize your wallet with community-built Snaps.