MetaMask Extension: Ethereum browser wallet
Browser extension that provides wallet functionality for interacting with Ethereum blockchain applications.
Learn more about MetaMask Extension
MetaMask Extension is a browser extension that serves as an Ethereum wallet and gateway to blockchain applications. It injects Web3 functionality into web pages, allowing users to manage Ethereum accounts, sign transactions, and interact with decentralized applications directly from their browser. The extension supports multiple browsers including Chrome, Firefox, Edge, Opera, and Brave through manifest-based architecture. It provides secure key management, transaction signing, and serves as a bridge between traditional web browsers and the Ethereum ecosystem.
Multi-Browser Support
Compatible with Chrome, Firefox, Edge, Opera, and Brave browsers through standardized extension manifests. Supports both Manifest V2 and V3 specifications for broad compatibility.
Web3 Integration
Injects Ethereum provider APIs into web pages, enabling seamless interaction with decentralized applications. Acts as a bridge between browsers and blockchain networks.
Development Environment
Includes GitHub Codespaces integration and comprehensive build system with development and production configurations. Provides extensive documentation for contributors and dApp developers.
# Copy the configuration template
cp .metamaskrc.dist .metamaskrc
# Edit .metamaskrc file with your settings:
INFURA_PROJECT_ID=your_infura_api_key_here
SEGMENT_WRITE_KEY=your_segment_key_for_debugging
SENTRY_DSN=your_sentry_dsn_for_error_tracking
PASSWORD=your_development_wallet_password
MANIFEST_OVERRIDES=.manifest-overrides.jsonVersion 13.15.0
- –Add MSU network and native token logos. Add Etherlink network and native token logos. (#38938)
- –Asset details sticky header (#39101)
- –Add BOB network and native token logos. Add Rootstock network and native token logos. (#39017)
- –Update Shield management UI (#38664)
- –Initialize static perps tab UI (#39199)
Version 13.14.2
- –Prevent crash during initialization when some controller has invalid state (#39465)
Version 13.14.1
- –Set 10-minute delay on first profile metrics collection after acknowledgement, rather than delaying until 2nd unlock (#39270)
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