An Ethereum Wallet in your Browser. Metamask wallet extension is an extension for accessing Ethereum enabled distributed applications, or "Dapps" in your browser! The extension injects the MetaMask is a browser extension that connects you to decentralized applications (dApps) on Ethereum or EVM compatible networks. Learn how to install, connect, and use. The Metamask® extension serves as a secure wallet integrated directly into your browser, enabling seamless interaction with Ethereum-based applications without the need for. The Metamask® extension serves as a secure wallet integrated directly into your browser, enabling seamless interaction with Ethereum-based applications without the need for a With MetaMask extension installed, you can access your wallet directly within your browser. Click on the Metamask wallet extension icon in the toolbar to open the extension and enter your MetaMask is a wallet for Ether and other tokens that lets you interact with decentralized applications. Learn how to install, configure, and use MetaMask with guides, tools, and tips