Trézór Bridge®™ | Secure Crypto Connectivity

Trezor Bridge is an essential background service that enables communication between your Trezor hardware wallet and your web browser. While newer versions of Trezor Suite have reduced the need for browser-based tools, Trezor Bridge still plays a critical role for users accessing web interfaces and legacy applications.

What Is Trezor Bridge?

Trezor Bridge is a lightweight software component developed by SatoshiLabs. Its primary function is to allow your browser to securely detect and communicate with your Trezor device. It acts as a secure “bridge” between the hardware wallet and supported web wallets or services.

Without Trezor Bridge, browsers like Chrome, Firefox, or Edge may fail to recognize your Trezor device when accessing web-based wallet interfaces.

Why Trezor Bridge Is Important

Web browsers cannot directly interact with USB hardware wallets due to security restrictions. Trezor Bridge solves this limitation by:

  • Enabling device detection
  • Ensuring encrypted communication
  • Preventing unauthorized access
  • Supporting secure transaction signing

It is especially useful for users who access Trezor through web wallets instead of the desktop-based Trezor Suite.

How Trezor Bridge Works

Once installed, Trezor Bridge runs silently in the background. When you connect your Trezor device and open a supported website, the bridge automatically facilitates secure communication without requiring manual interaction.

It does not store private keys, recovery seeds, or transaction data—those remain securely inside the hardware wallet.

Installation and Compatibility

Trezor Bridge is available for:

  • Windows
  • macOS
  • Linux

The installation process is simple and usually takes only a few minutes. After installation, a system restart may be required for proper detection.

Security Considerations

Trezor Bridge is open-source and regularly updated to address vulnerabilities. Security benefits include:

  • Local-only communication
  • No access to private keys
  • Device-side transaction confirmation
  • Protection against malicious browser scripts

For maximum safety, it should always be downloaded from official Trezor sources.

When Do You Need Trezor Bridge?

You may need Trezor Bridge if:

  • Your browser does not support WebUSB
  • You are using older browser-based wallets
  • Your device is not detected by a web wallet
  • You prefer browser-based crypto management

Conclusion

Trezor Bridge remains an important tool for ensuring seamless browser-based interaction with Trezor hardware wallets. While Trezor Suite is now the preferred option, Trezor Bridge continues to support flexibility, compatibility, and secure communication for many users.