MetaMask Extension For Browser (official website)  from johan's blog

MetaMask is a browser extension that enables users to interact with the Ethereum blockchain and access various decentralized applications (dApps) directly from their web browsers.

MetaMask extension  serves as a digital wallet and a bridge between traditional web browsers and the decentralized world of blockchain technology.

MetaMask is a popular browser extension that serves as a cryptocurrency wallet and a gateway to decentralized applications (dApps) on the Ethereum blockchain and other compatible blockchains. MetaMask Chrome Extension   provides users with the ability to manage their digital assets.