Trezor® Bridge Guide | Secure Connection for Your Hardware

Clear steps to install, connect, and troubleshoot Trezor® Bridge — optimized for office displays and printable handouts (font-size: 10pt).

Introduction

Trezor® Bridge is a small background application that enables secure communication between your Trezor hardware wallet and web-based wallets or desktop apps. This guide explains installation, verifying connections, troubleshooting common issues, and best security practices so you can keep private keys safe while using convenience features.

What Bridge Does

It acts as a local intermediary over HTTPS, translating browser requests into messages your Trezor understands via USB or WebUSB. Bridge prevents websites from directly accessing your device without an explicit, user-approved flow.

Why It’s Important

  • Protects the private key from direct exposure to untrusted web pages.
  • Ensures firmware and device operations are performed through authenticated channels.
  • Allows cross-platform connectivity (Windows, macOS, Linux).

Installation — Step by Step

  1. Open the official installer: trezor.io/start.
  2. Download the Bridge package for your OS and run the installer as administrator if required.
  3. After install, the Bridge runs in the background. You may see a system tray icon (Windows/macOS).
  4. Unlock your Trezor device and open the supported web wallet (e.g., Trezor Suite or compatible wallet).
  5. Approve the connection on the device when prompted.

Security Checklist

  • Only download Bridge from the official Trezor domain.
  • Verify TLS/HTTPS when visiting web wallets; check the certificate if unsure.
  • Never export or type your seed phrase into a computer or website.
  • Keep your firmware and Bridge updated to the latest official version.

Troubleshooting

Bridge Not Detected

If your browser reports no Bridge found: restart Bridge (or the machine), ensure USB cables are data-capable, and check for other wallet apps blocking access.

Browser Permission Issues

Modern browsers may require explicit permission to use USB devices. Close the tab, reconnect your device, and when the browser prompts for permission, allow it only for trusted sites.

Firewall or Corporate Network

In restricted networks, Bridge may be blocked. Temporarily allow loopback connections or consult IT to permit the Bridge application. Avoid using public or untrusted networks for sensitive activity.

Best Practices for Office & Presentation Use

Use this guide as a single-slide handout, print in high contrast, and include the QR or short link to official setup pages. When presenting to teams, emphasize seed security and the verification prompts that appear on the device screen.

Quick links: Trezor Start • Open in Office

Trezor® Bridge — Secure by design
For support and downloads: trezor.io/start