Trezor Bridge — Overview
Secure local connector for Trezor hardware wallets

Trezor Bridge — Reliable, Local, and Secure USB Bridge for Trezor Devices

Trezor Bridge is a lightweight local connector that enables web-based wallets and applications to communicate securely with Trezor hardware wallets via USB. It facilitates transaction signing, firmware updates, and safe key management while maintaining user control of private keys.

Secure Local Communication
Ensures that all interactions occur on the user's device. Private keys never leave the hardware wallet.
Seamless Browser Integration
Enables modern browsers to detect and communicate with Trezor devices without exposing credentials to remote servers.
Firmware & Maintenance
Supports authenticated firmware updates and device maintenance workflows.
Cross-Platform Support
Available for Windows, macOS, and Linux platforms with straightforward installers.

Why Trezor Bridge Matters

In an environment where private key security is paramount, Trezor Bridge acts as a controlled conduit between trusted web interfaces and the hardware wallet. It isolates USB communication, reduces attack surface, and enables browsers to request cryptographic operations without direct access to sensitive secrets. For enterprises and individual users alike, this design preserves the hardware wallet's core security properties while enabling a modern user experience.

Key Capabilities

  • Local USB-to-browser tunneling for secure transaction signing.
  • Authenticated firmware updates and device diagnostics.
  • Seamless integration with popular web wallets and dApps.
  • Minimal system footprint and automatic update notifications.

Installation & Best Practices

Obtain the Trezor Bridge installer exclusively from the official vendor site or verified distribution channels. After installation, confirm the software is running in the background and that your browser indicates a secure connection to the hardware. When performing firmware updates or signing transactions, verify the operation details displayed on the Trezor device itself before confirmation.

Support & Troubleshooting

If a browser fails to detect your device, first verify Bridge is running, then confirm USB permissions and try reconnecting the device. Clearing cached browser permissions or reinstalling the Bridge application often resolves integration issues. For advanced troubleshooting, consult official documentation or contact vendor support.

This content is provided for informational purposes; always follow official security guidance when managing cryptographic assets.