The essential, secure communication tool that links your Trezor hardware wallet to your favorite browser-based applications. Unlock the full power of Web3 with the security of Trezor.
Trezor Bridge is a small, secure, open-source application that runs in the background of your computer. It is not a wallet itself. Instead, its one and only purpose is to act as a "bridge" or "translator" between your web browser and your connected Trezor hardware wallet.
Modern web browsers are "sandboxed" for your security, which means they are not allowed to directly access your computer's USB ports or hardware. Trezor Bridge solves this. It runs as a trusted, local service that can receive communication from a browser application (like MetaMask or MyEtherWallet) and securely pass that request to your Trezor device for confirmation. It's the essential middleman that makes browser-based hardware wallet integration possible, all without compromising on security.
The Bridge only passes data. You confirm every action on your device.
Trezor Bridge is designed with the same security-first philosophy as all Trezor products. It never has access to your private keys and cannot perform any action without your explicit permission.
The primary reason to use Trezor Bridge is to securely interact with the vast ecosystem of third-party web wallets and Web3 applications. While Trezor Suite is an all-in-one solution, the Bridge gives you the freedom to use your preferred interface, all secured by your Trezor.
The most popular web wallet for DeFi and NFTs.
The original web interface for Ethereum.
A robust wallet for ETH and ERC-20 tokens.
A popular web wallet for the Cardano (ADA) ecosystem.
Access decentralized lending & borrowing.
Trade assets on the decentralized exchange.
Secure your NFTs by signing with your Trezor.
Any app that supports Trezor Connect.
This is a common question. Both are official Trezor applications, but they serve different purposes. Here's how to know which one you need.
Use this if: You want an all-in-one desktop or web application to manage your entire portfolio.
Use this if: You want to use a third-party web wallet (like MetaMask) and secure it with your Trezor.
Conclusion: If you only use the Trezor Suite Desktop app, you do not need Trezor Bridge. If you want to connect your Trezor to MetaMask or another web-based wallet, you must install Trezor Bridge.
Installing Trezor Bridge is a one-time, simple process. Always download directly from the official Trezor website to protect yourself from phishing and malicious software.
After installing, just run the application. It will start automatically and run in the background. There is no application window to open—it's now ready to service requests from your browser.
No, this is the correct behavior. Trezor Bridge is a background service, not a standard application. It has no user interface, icon, or window. It runs silently and "listens" for a connection request from a compatible web wallet. You can verify it's running in your computer's "Services" or "Activity Monitor."
They solve the same problem but in different ways. WebUSB is a newer browser technology that allows browsers to communicate with USB devices directly (with your permission). The web-based Trezor Suite (suite.trezor.io) primarily uses WebUSB. However, many third-party wallets were built before WebUSB was common and were designed to work with Trezor Bridge. For compatibility with the widest range of apps, having the Bridge installed is recommended.
If you have installed Trezor Bridge and it's still not working, try these steps: 1) Ensure no other application (like Trezor Suite Desktop or another wallet) is currently "using" the Trezor. Only one app can communicate with the device at a time. 2) Restart your browser completely. 3) Unplug and replug your Trezor device. 4) Make sure your Trezor firmware is up to date, as this is often required for compatibility.