An Ethereum Wallet in your Browser

MetaMask promo image
What is MetaMask?

MetaMask is a Chrome extension which turns your browser into an Ethereum wallet. It injects the Ethereum web3 API into every website, enabling the use of Ethereum-enabled Dapps. With MetaMask, you can create and manage identities, securely reviewing and approving transactions. It also protects against phishing and requires permission to read and write to any webpage. MetaMask is your gateway to Web 3.0, Dapps, NFTs, tokens, ICOs, and much more.

Users: 16,000,000+
Version: 11.10.1 (Last updated: 2024-03-01)
Creation date: 2020-05-04
Risk impact: High risk impact
Risk likelihood: Low risk likelihood
Manifest version: 2
  • storage
  • unlimitedStorage
  • clipboardWrite
  • http://localhost:8545/
  • https://*
  • https://*
  • activeTab
  • webRequest
  • See more
Size: 22.00M
Stats date:

Other platforms

MetaMask (v11.7.5)
4.28 (3,884) 482,064
MetaMask (v11.7.5)
3.60 (228) 3,379,412
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MetaMask is an extension for accessing Ethereum enabled distributed applications, or "Dapps" in your browser!

The extension injects the Ethereum web3 API into every website's javascript context, so that dapps can read from the blockchain.

MetaMask also lets the user create and manage their own identities (via private keys, local client wallet and hardware wallets like Trezor™), so when a Dapp wants to perform a transaction and write to the blockchain, the user gets a secure interface to review the transaction, before approving or rejecting it.

MetaMask also helps warn you when you navigate to sites that are known to have engaged in phishing, or that have names that are suspiciously similar to popular phishing targets.

Because it adds functionality to the normal browser context, MetaMask requires the permission to read and write to any webpage. You can always "view the source" of MetaMask the way you do any Chrome extension, or view the source code on Github:

Enables access to: Web 3.0 Dapps NFTs

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User reviews
User reviews summary
These summaries are automatically generated weekly using AI based on recent user reviews. Chrome Web Store does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.
    • Extension not connecting to certain websites
    • Wallet shows incorrect ETH balance
    • Poor security leading to lost funds
    • Wallet loading screen gets stuck
    • Problems switching networks within the extension
    Most mentioned
    • Issues with loading or connecting to networks
    • Loss of funds or security concerns
    • Problems with displaying correct balances
    • Difficulties with accessing wallets or accounts
    • Need for reinstallation or updates to fix issues
    View all user reviews
    Risk impact

    MetaMask is risky to use as it requires a number of sensitive permissions that can potentially harm your browser and steal your data. Exercise caution when installing this extension. Review carefully before installing. We recommend that you only install MetaMask if you trust the publisher.

    Risk likelihood

    MetaMask has earned a fairly good reputation and likely can be trusted.

    Upgrade to see risk analysis details
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