MetaMask Extension is the most trusted crypto wallet and gateway to blockchain apps. Whether you're an NFT collector, DeFi trader, or exploring dApps, the MetaMask browser extension empowers users to take full control of their digital assets directly within their browser.
MetaMask is a crypto wallet and browser extension that enables users to manage Ethereum-based assets and interact with decentralized applications (dApps) securely and seamlessly. Available for browsers like Chrome, Firefox, Brave, and Edge, the MetaMask Extension acts as a bridge between traditional browsers and the decentralized internet.
With over 30 million active users, MetaMask is a cornerstone of the Web3 ecosystem, supporting Ethereum, ERC-20 tokens, NFTs, and multiple Layer-2 networks and sidechains like Arbitrum, Polygon, BNB Chain, and more.
MetaMask Extension integrates smoothly with your browser, placing a crypto wallet just a click away. It works with Chrome, Firefox, Brave, and Edge, providing seamless cross-browser support.
MetaMask securely stores your private keys and seed phrases locally on your device. You own your keys, ensuring full control over your assets.
Whether you're using Uniswap, OpenSea, Compound, or Aave, MetaMask lets you interact with dApps without leaving your browser window.
No need to visit exchanges—MetaMask includes a built-in swap feature, aggregating data from multiple DEXs to provide the best rates and low slippage.
MetaMask supports Ethereum Mainnet, Layer-2 solutions (Optimism, Arbitrum), testnets (Ropsten, Goerli), and custom RPC networks, allowing users to explore beyond Ethereum.
Manage, view, and send ERC-721 and ERC-1155 NFTs directly through your wallet with supported marketplaces.
Your seed phrase and private keys never leave your device. MetaMask encrypts all sensitive data and offers password protection, providing a secure environment for crypto management.
MetaMask is open-source and widely used by dApp developers. It supports web3.js and ethers.js integrations and makes blockchain testing easy.
Sync your wallet on mobile and browser for a unified experience. MetaMask Mobile allows QR code-based linking to the extension wallet.
MetaMask’s intuitive UI is perfect for beginners and advanced users alike. Setting up a wallet, adding custom tokens, and managing gas fees is straightforward.
Swap tokens within the wallet at competitive prices without the need to move to centralized exchanges. MetaMask uses an aggregator to ensure you're getting the best deals.
⚠️ Caution: Always download the MetaMask Extension from the official website to avoid phishing or scam versions.
MetaMask follows best-in-class encryption protocols and does not store your seed phrase or private keys on any server. However, it's crucial for users to follow good security practices:
MetaMask offers advanced APIs for dApp developers to build Web3 experiences. It acts as a Web3 provider to sign transactions, manage accounts, and connect wallets.
MetaMask supports both EIP-1193 and Ethereum Provider API, which are essential for modern decentralized applications.
MetaMask Extension supports:
Yes, MetaMask is 100% free to install and use. However, gas fees apply when sending transactions or swapping tokens.
Yes, MetaMask is available as a mobile app for iOS and Android. You can sync it with the browser extension for convenience.
Use your 12-word seed phrase on a new device by installing MetaMask and selecting "Import Wallet." Never share your seed phrase with anyone.
No, MetaMask is primarily for Ethereum and EVM-compatible networks. BTC is not natively supported, but wrapped tokens like wBTC can be stored.
Yes, MetaMask is a non-custodial wallet—you control your private keys. MetaMask does not have access to your funds.
Yes. MetaMask integrates with Ledger and Trezor, providing added layers of security for high-value accounts.
If you're navigating the decentralized web, MetaMask Extension is a must-have tool. From DeFi and NFTs to DAOs and token swaps, MetaMask opens the door to everything Web3. It's secure, beginner-friendly, developer-ready, and supported by a large, active community.
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