Meta Mask
Browser extension wallet for Ethereum and EVM chains.
Open the official app on metamask.io
This tool is hosted by its maintainers. Click below to open metamask.io in a new tab — it's their official demo.
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Choose how you want to get started.
Use it free
Open the official tool or demo — no account needed.
Self-host it
Run the open-source version on your own infrastructure.
What is Meta Mask?
MetaMask is a self-custodial cryptocurrency wallet designed to provide users secure access to blockchain applications and their digital assets. As an open-source tool, it enables individuals and developers to interact with decentralized applications (dapps) on the Ethereum network and other compatible blockchains. The wallet allows users to manage their cryptocurrency portfolios, mint NFTs, and participate in various blockchain activities while maintaining control over their private keys. MetaMask addresses the challenge of securely accessing and managing digital assets by offering a user-friendly interface that bridges the gap between traditional finance and blockchain technology. Its integration with web3 protocols users to engage with decentralized finance (DeFi) platforms, prediction markets, and other Web3 services without relying on centralized intermediaries. Available as a browser extension and mobile app, MetaMask simplifies the process of interacting with blockchain networks. It supports features like token swapping, trading with leverage, and participation in prediction markets, making it a versatile tool for both novice and experienced users. The wallet's emphasis on security includes regular audits, transaction protection, and 24/7 customer support. By providing a single account that connects to multiple blockchain networks, MetaMask streamlines the management of digital assets while prioritizing user privacy and control over their funds.
How it works
MetaMask is a cryptocurrency wallet that enables users to securely store, manage, and interact with blockchain-based assets. It serves as a bridge between users and decentralized applications (dapps) by allowing them to connect their wallets to web3 platforms. The tool is particularly useful for individuals seeking to engage with Ethereum-based services, such as DeFi protocols, NFT marketplaces, and decentralized exchanges (DEXs). Its primary purpose is to provide a secure and intuitive interface for managing digital assets while ensuring users retain full control over their private keys. MetaMask also supports features like token swapping, trading with leverage, and participation in prediction markets, making it a comprehensive tool for blockchain interaction. MetaMask allows users to trade cryptocurrencies, swap tokens across networks, and participate in prediction markets with up to 50x leverage. It integrates with platforms like Hyperliquid for trading and supports tokenized stocks, funds, and commodities. The wallet also facilitates the purchase of tokenized assets and offers a Money Account feature for earning interest on holdings. Additionally, MetaMask Card enables users to spend crypto globally with potential rewards.
How to use it
- 1Download MetaMask from the official website or app store. 2. Create a wallet by setting a password and securely storing the 12-word recovery phrase. 3. Add funds by importing existing private keys or using a supported exchange. 4. Connect the wallet to a dapp or platform by clicking the MetaMask icon in the browser. 5. Execute transactions, swap tokens, or interact with DeFi protocols directly within the interface. Practical tips include enabling transaction protection, using hardware wallets for added security, and avoiding unofficial sources to prevent phishing attacks. Regularly back up recovery phrases and monitor account activity for suspicious behavior.
What it can do
- crypto wallet
Use cases
Assumptions and limitations
Assumptions
- source: https://github.com/MetaMask/metamask-extension
- license: MIT — free to use
- privacy: Self-hosted — you control your data
Limitations
- Limited native support for non-Ethereum blockchains without additional integrations
- Dependence on internet connectivity for transaction validation and dapp interactions
- Risk of asset loss if private keys or recovery phrases are compromised
- Potential for phishing attacks if users engage with unverified dapps
- MetaMask Card's legal restrictions may limit global spending capabilities
Understanding the result
Browser extension wallet for Ethereum and EVM chains.
Tool details
- Clearly flagged when a network request is needed.
- No account, no sign-up, and no tracking of your content.
- Powered by (MIT).
- Built with
- (MetaMask/metamask-extension)
- License
- MIT
- Runs locally
- No — requires a network request
- Verification
- Not yet verified
- Input
- Query
- Output
- Text
Built with MetaMask/metamask-extension. OpenToolVault provides the discovery and browser interface while crediting the original project maintainers.
- Built with
- License
- MIT
Open-source project
OpenToolVault is an independent directory. We are not affiliated with or endorsed by this project.
References
- / — GitHub Repository
Upstream project · GitHub
- MIT License
Upstream project
Frequently asked
What is MetaMask and how does it differ from other wallets?
MetaMask is a self-custodial wallet that enables users to interact with Ethereum-based dapps and manage blockchain assets. Unlike custodial wallets, it gives users full control over private keys. It stands out with features like integrated trading, token swapping, and support for multiple blockchains. Alternatives like Trust Wallet or Coinbase Wallet offer similar functionalities but may lack MetaMask's deep Ethereum integration and DeFi tooling.
How does MetaMask ensure the security of user funds?
MetaMask prioritizes security through regular third-party audits, encrypted key storage, and transaction protection up to $10k. Users are required to back up their 12-word recovery phrase, and hardware wallet integration is recommended for added security. The wallet also includes safeguards against phishing by warning users about suspicious dapp interactions and providing transaction confirmation prompts.
How do I send cryptocurrency from MetaMask to another wallet?
To send crypto, open the MetaMask app, select the asset to transfer, enter the recipient's wallet address, specify the amount, and confirm the transaction. Ensure the recipient's address is correct to avoid irreversible transfers. For cross-chain transfers, use the 'Swap' feature or bridge tools compatible with the destination network.
How does MetaMask compare to Trust Wallet or Coinbase Wallet?
MetaMask excels in Ethereum ecosystem integration, offering deep support for DeFi, NFTs, and dapps. Trust Wallet is more focused on multi-chain support with a broader range of blockchains, while Coinbase Wallet emphasizes user-friendly interfaces and integration with Coinbase services. MetaMask's strength lies in its robust security features and extensive DeFi tooling, whereas Trust Wallet and Coinbase Wallet may offer simpler onboarding for new users.
What should I do if I lose access to my MetaMask wallet?
If you lose access, use your 12-word recovery phrase to restore the wallet. If the recovery phrase is also lost, contact MetaMask support for guidance. Prevent future issues by storing the recovery phrase securely, enabling transaction confirmations, and using hardware wallets. Avoid sharing private keys or recovery phrases with anyone to mitigate theft risks.