> For the complete documentation index, see [llms.txt](https://metuaskextesinn.gitbook.io/us/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://metuaskextesinn.gitbook.io/us/metamask-r-extension-browser-extension-gitbook.md).

# Metamask® % Extension - Browser extension - GitBook

MetaMask Extension is a web browser extension and mobile app that allows you to manage your Ethereum private keys. Getting started with MetaMask is an essential step

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