Trezor Bridge® | Official Trezor Connection Software®

Trezor Bridge: The Secure Connector for Your Hardware Wallet

Trezor Bridge is an essential piece of software that enables your Trezor hardware wallet to communicate securely with web applications, browser interfaces, and crypto management tools. Without Trezor Bridge, most modern web browsers cannot detect or interact with your physical Trezor device because of strict USB access restrictions. This dedicated background service acts as a secure bridge between your hardware wallet and the applications you use to manage your cryptocurrencies.

At its core, Trezor Bridge runs locally on your computer, creating a direct communication channel between the browser or desktop tools and your Trezor device. Unlike older browser plugins or legacy USB drivers, Bridge operates with modern security standards and supports Windows, macOS, and Linux platforms. It listens on a secure local port (e.g., 127.0.0.1) and forwards encrypted requests to your Trezor hardware over USB, ensuring that sensitive data such as private keys never leave the device.

Because Trezor Bridge runs in the background, installation is simple and doesn’t interfere with your regular workflow. Once installed and running, your browser or Trezor Suite can immediately detect the device when you plug it in. You can then view balances, initiate transactions, or interact with decentralized applications (dApps) using tools like MetaMask, all while maintaining robust hardware‑level security.

One of the key reasons Trezor Bridge exists is that modern browsers restrict direct USB access for security reasons. Without Bridge, the browser would be unable to detect a Trezor wallet, making it impossible to manage your crypto online. The Bridge service translates those browser requests into secure USB communications that the hardware wallet can handle, preserving the trustless security model Trezor devices are known for.

It’s important to install Trezor Bridge from the official source to avoid malicious copies that could compromise your security. You can download the latest official version here: https://trezor.io/bridge/ — this is the official download page maintained by Trezor.

Once installed, Bridge runs quietly, enabling compatibility with most major browsers like Chrome, Firefox, Edge, and Brave. Even though the Trezor Suite desktop app can sometimes bundle similar functionality, installing Bridge ensures full compatibility with browser‑based tools and web interfaces that require direct Trezor communication.

In summary, Trezor Bridge is a lightweight, secure, and critical component for anyone using a Trezor hardware wallet with web apps or browser tools. It maintains the highest security standards while enabling seamless connectivity between your device and the digital world of crypto.