MetaMask Extension is a desktop-based browser extension that is currently supported by Google Chrome, Firefox, Edge, Brave, and Opera. It was initially launched by ConsenSys in 2016 and makes it easy for crypto enthusiasts to interact with a wide range of dApps (decentralized applications). It allows its users to buy, send, receive, swap, and bridge over 500,000 digital assets including all ETH-based tokens. Apart from all of this, it also allows its users to stake ETH and MATIC through its portfolio interface and lets them to earn a passive income. https://sites.google.com/metamaklog.com/metamaskbrowser-extension/home