NodeGuard Companion is a free Chrome extension developed by Elenpay. It falls under the category of Browsers, specifically Add-ons & Tools. This extension allows users to securely import or generate Bitcoin mnemonics, export their xpubs, and sign their PSBTs, all within the comfort of their browser.

With NodeGuard Companion, users can easily import or create wallets by generating Bitcoin mnemonics. The extension ensures that users' private keys never leave their browser, providing an added layer of security. This means that users have full control over their Bitcoin transactions without having to rely on external servers to store their data.

NodeGuard Companion is a convenient and reliable tool for anyone looking to manage their Bitcoin transactions securely. Whether you're a beginner or an experienced Bitcoin user, this Chrome extension offers a user-friendly interface and essential features to ensure the safety of your digital assets.