What is Trezor Bridge?

Trezor Bridge is a crucial background service that enables secure communication between your Trezor® hardware wallet and web browsers. It acts as a vital link, translating USB device communication into a format that web applications like the Trezor Wallet interface can understand and process securely.

How Trezor Bridge Works

Trezor® Device
Hardware Wallet
Trezor Bridge
Communication Layer
Web Browser
Trezor Wallet Interface

Important: Unlike traditional login systems, there is no separate Trezor Bridge Login process. Trezor Bridge operates silently in the background, automatically facilitating secure connections when your Trezor® device is detected.

Installation and Setup

1

Visit the official setup page at trezor.io/start for guided installation

2

Connect your Trezor® device to your computer via USB cable

3

The website will automatically detect if Trezor Bridge needs installation

4

Follow the platform-specific installation prompts (Windows/macOS/Linux)

5

Restart your browser and proceed with Trezor login process

Most users will have Trezor Bridge installed automatically when they first visit the Trezor Wallet website with their device connected. For manual installation, the Bridge is available as a separate download from the official Trezor® website.

Trezor Bridge vs. Trezor Suite

Trezor Bridge

Background service for browser communication

Required for web-based Trezor Wallet

No user interface - operates silently

Essential for browser extensions

Trezor Suite

Desktop application with full interface

Download via trezor suite download

Doesn't require Bridge for basic functions

Enhanced security and features

The trezor suite app (desktop version) communicates directly with your Trezor® device without needing Bridge. However, if you use the web version of trezor suite or any browser-based cryptocurrency services, Bridge remains essential.

Frequently Asked Questions

Do I need Trezor Bridge if I use the desktop Trezor Suite app?

No, the desktop application from trezor suite download communicates directly with your Trezor® device without requiring Bridge. However, Bridge is still needed if you use web-based services or the browser version of Trezor Suite.

Why isn't my Trezor® device being detected by the web wallet?

This is usually a Trezor Bridge issue. Ensure Bridge is installed and running, try a different USB cable/port, restart your browser, or reinstall Bridge. Check if your antivirus is blocking the connection.

Is Trezor Bridge safe and secure?

Yes, Trezor Bridge is developed and maintained by SatoshiLabs, the creators of Trezor®. It's open-source software that only facilitates communication and doesn't handle private keys or sensitive data. Always download from official sources.

How do I update Trezor Bridge?

Trezor Bridge typically updates automatically. For manual updates, download the latest version from the official Trezor® website or reinstall through trezor.io/start. The Suite desktop app may also prompt you to update Bridge if needed.

Can I use Trezor Bridge on multiple browsers?

Yes, once installed, Trezor Bridge works with all major browsers (Chrome, Firefox, Edge, Brave) on your computer. It runs as a system service independent of any specific browser.

What's the difference between Trezor Bridge and Trezor Suite in terms of security?

Both are secure, but the desktop trezor suite app offers enhanced security by running locally on your machine, reducing attack vectors. Bridge enables web communication but relies on browser security. For maximum security, use the desktop Suite application.