What Is Trezor Bridge?

Trezor Bridge is an official background application designed to manage encrypted USB communication between your Trezor device and host computer. It replaces older browser extensions, offering cross-browser support and stronger security. :contentReference[oaicite:2]{index=2}

Trezor Bridge interface

This bridge automatically runs upon installation and provides a secure tunnel for interactions with Trezor Suite or web apps—while your private keys remain safely on-device.

How to Install Trezor Bridge via Trezor.io/start

1. Visit Trezor.io/start

Navigate to Trezor.io/start for the optimal installation experience. It guides you to the correct version of Bridge or Suite for your OS.

2. Choose Your Platform

Select Windows, macOS, or Linux. Download the recommended installer for Trezor Bridge or the full Trezor Suite.

3. Run the Installer

Install Bridge using the guided setup. The application will run silently in the background once installed.

4. Re-launch Your Browser

Close and reopen your browser to allow Bridge to register and detect your Trezor device.

5. Connect Your Device

Plug in your Trezor hardware wallet. You should now see it automatically recognized in Trezor Suite or within your browser-based wallet.

6. Complete Trezor Login

Use Trezor Suite or web wallet to log in: enter your PIN on device and optionally a passphrase. Your session is decrypted locally, not exposed online.

Key Features of Trezor Bridge

🔒

Encrypted Communication

Every data packet between your computer and Trezor is encrypted—protecting your keys and metadata. :contentReference[oaicite:3]{index=3}

🌐

Cross‑Browser Support

Bridge works with Chrome, Firefox, Edge, and others, even when WebUSB is unavailable. :contentReference[oaicite:4]{index=4}

⚙️

Seamless Integration

Installs quietly and launches automatically when needed, requiring no manual toggling or browser extensions.

🔄

Support for Third-Party Apps

Enables secure connection to apps like MetaMask, MyEtherWallet, and other wallet tools. :contentReference[oaicite:5]{index=5}

💻

Multi‑Platform Compatibility

Available on Windows, macOS, and Linux—Bridge gives consistent connectivity across systems.

🔁

Silent & Lightweight

Minimal footprint runs in the background without interfering with system performance.

Frequently Asked Questions

1. Why do I need Trezor Bridge?
Bridge handles secure USB communications so your Trezor device can connect to browser wallets. It enables cross-browser support without requiring unsafe extensions. :contentReference[oaicite:6]{index=6}
2. Can't I just use Trezor Suite?
Yes! Trezor Suite includes the functionality of Bridge. Standalone Bridge is mainly needed for browser-based use cases. :contentReference[oaicite:7]{index=7}
3. Is Bridge safe?
Absolutely—Bridge encrypts all communication and is open‑source like the rest of Trezor software. :contentReference[oaicite:8]{index=8}
4. Why am I prompted to install Bridge when logging in?
Certain browsers don’t support direct USB (WebUSB) or you’re using Suite web version. Installing Bridge ensures hardware detection works smoothly. :contentReference[oaicite:9]{index=9}
5. Does Bridge expose private keys?
No. Bridge only transports encrypted data; all sensitive operations like signing are performed on the device itself.
6. How do I remove Bridge?
If you switch exclusively to Trezor Suite, uninstalling standalone Bridge is safe. Instructions are available behind “Deprecation and removal” on Trezor guides. :contentReference[oaicite:10]{index=10}

Need Help?

For installation help or troubleshooting Bridge errors, visit the Trezor Support Center. You’ll find guides, FAQs, and community help there.

You can also ask questions on the official Trezor Forum or file issues on Trezor Suite GitHub.