Official Site® | Trezor Bridge

What Is Trezor Bridge®?

Trezor Bridge® is a secure, local software interface developed by SatoshiLabs to allow your Trezor® hardware wallet to communicate with web applications, desktop tools, and browser interfaces. It acts as a mediator between your hardware device and the applications you use, translating requests safely and efficiently.

🔗 Always download from the official site (trezor.io) and verify checksums to ensure authenticity. Avoid third-party downloads which can compromise security.

This bridge ensures compatibility across Windows, macOS, and Linux, and allows modern browsers to detect your Trezor device without additional plugins. Its lightweight architecture ensures that it consumes minimal resources while running in the background.

Whether you are sending cryptocurrencies, managing multiple wallets, or interacting with decentralized applications (dApps), Trezor Bridge guarantees a seamless and secure connection for all operations.

Install & Setup Guide

Installing Trezor Bridge is straightforward. Follow these steps:

Visit the official Trezor Bridge download page.
Select your operating system: Windows, macOS, or Linux.
Download the installer and follow on-screen instructions. Mac users may need to approve the app under Security & Privacy settings.
Restart your browser to allow it to detect the Bridge service.
Connect your Trezor device; Bridge should detect it automatically.
Launch Trezor Suite or another compatible app and authorize access when prompted.

Download Bridge

Tip: Bridge is often bundled with Trezor Suite, but installing it separately ensures compatibility with browser-based apps.

How to Use Trezor Bridge

After installation, Trezor Bridge runs quietly in the background. Typical usage includes:

Launch a supported browser or Trezor Suite Web interface.
Connect your Trezor hardware device via USB.
Authorize communication when prompted.
Verify the connection directly on your Trezor device.
Perform wallet operations: send/receive crypto, view balances, interact with dApps.
Confirm all transaction details physically on your device before approval.

⚠️ Always verify addresses and amounts directly on your device. Do not rely solely on application screens for confirmation.

Bridge ensures that communication remains encrypted and local, preventing external apps or malware from intercepting sensitive data. This allows users to manage their assets with confidence.

Security & Best Practices

Trezor Bridge maintains a strict security model. While the software itself is secure, user practices play a critical role in overall safety.

Design & Architecture

Bridge communicates only through localhost and does not expose network ports externally.
It forwards JSON-RPC commands but never handles private keys or signs transactions.
All critical operations occur on the Trezor device; the host system never gains access to secrets.

Best Practices

Always download Bridge from trezor.io and verify authenticity.
Keep Bridge, Trezor Suite, and firmware up to date.
Approve transactions only after verifying details on the Trezor device.
Use a trusted computer free of malware.
Store recovery seeds securely offline; never enter them online.
Be vigilant against phishing links or fake update prompts.

By combining the software's security with responsible usage, you create a robust environment to protect your digital assets from threats.

Frequently Asked Questions (FAQ)

Do I always need Bridge to use my Trezor?: Bridge is required for many browser-based interfaces. Some modern browsers support WebUSB, but Bridge ensures broader compatibility and consistent functionality.
Is Bridge open source?: Yes, it is maintained by SatoshiLabs and is available on GitHub for review and verification.
Can Bridge access my private keys?: No. All signing occurs on the Trezor device itself; Bridge only facilitates communication.
What if my device is not detected?: Try reconnecting the USB, restarting the computer, reinstalling Bridge, or checking for software conflicts.
Does Bridge auto-update?: Bridge notifies you of updates; you must install them manually. Keeping it updated ensures security and reliability.
Can I uninstall Bridge?: Yes, using your OS uninstall tool. Browser-based apps may then require WebUSB for direct connection.

Resources & Support

This section provides all necessary guidance for beginners, troubleshooting tips, and links to official resources to stay up to date with the latest Trezor Bridge developments.