MetaMask Extension &* - Webflow is your key to blockchain. MetaMask is a browser extension that enables users to interact with Ethereum-based DApps directly from their web browser. It acts as a wallet, allowing you to manage your Ethereum assets and seamlessly engage with decentralized applications. MetaMask® Extension - Browser extension - webflow. MetaMask is a browser extension that enables users to interact with Ethereum-based DApps directly from their web browser. It acts as a wallet, allowing you to manage your Ethereum assets and seamlessly engage with decentralized applications. Here's how you can use MetaMask extension: