What is Trezor Bridge?
Trezor Bridge is the secure backbone that links your browser or desktop to your Trezor Hardware Wallet. It silently enables communication between your device and the Trezor Suite application — allowing you to sign transactions, manage crypto assets, and authenticate logins, all without exposing your private keys to the internet.
If you're setting up your wallet for the first time, head to Trezor.io/start. This is where you'll find the official software and guidance to configure the Trezor ecosystem safely.
Why Trezor Bridge Matters
Invisible But Indispensable
Without Trezor Bridge, your computer and Trezor wallet won’t "talk" to each other. It's not just a driver — it’s a powerful secure layer that authenticates every command, ensuring no malicious app can interfere.
Core Responsibilities:
- Detects and connects your wallet to the Trezor Suite or web interface
- Encrypts all local communication
- Ensures smooth device recognition on all platforms
- Acts as a firewall between apps and your hardware wallet
How to Install Trezor Bridge
Step-by-Step at Trezor.io/start
1. Go to the Official Start Page
Navigate to Trezor.io/start — this ensures you're using the legitimate installer without risking malware exposure.
2. Download Trezor Suite
Before the Bridge installs, Trezor Suite will prompt you. Choose your OS (Windows, macOS, Linux), and follow the instructions.
3. Install Trezor Bridge
The installation typically happens automatically during the Suite setup. If not, a direct installer will be provided. Restart your browser after installing for best performance.
Compatibility & Supported Browsers
Trezor Bridge is fully compatible with modern browsers including Chrome, Firefox, Brave, and Edge. Safari is partially supported. Mobile browsers are not currently compatible.
If you encounter issues during Trezor Login or when your wallet isn't detected, reinstalling Trezor Bridge often resolves the problem.
Using Bridge with Trezor Suite
Pairing for the First Time
After launching Trezor Suite and connecting your hardware wallet, the app uses Bridge to detect your device. You’ll go through steps like verifying the firmware, setting up a PIN, and creating your backup seed.
Advanced Features
- Enable hidden wallets with passphrase protection
- Access advanced transaction options like coin control
- Connect to decentralized applications (DApps) securely
Safety Tip:
Only download Bridge from Trezor.io/start. Never use third-party download links.
Security Benefits of Trezor Bridge
Unlike browser extensions, which are prone to exploits, Trezor Bridge runs outside the browser environment, dramatically reducing your attack surface. This design decision gives your wallet an extra layer of defense against phishing, man-in-the-middle attacks, and browser hijacking.
Combined with the Trezor Hardware Wallet, Bridge creates a fully offline key management system that never exposes your private keys — not even during Trezor Login.
Frequently Asked Questions (FAQs)
1. Do I always need Trezor Bridge?
You only need Trezor Bridge when using the browser version of Trezor Suite or interacting with the wallet via third-party services. If you're using the standalone desktop Suite, it may not be required.
2. How do I fix “Device Not Detected” in my browser?
Make sure Trezor Bridge is installed, and restart your browser. Try a different USB port or cable if problems persist. Also, ensure no other apps (like antivirus) are blocking the connection.
3. Is Trezor Bridge safe?
Yes, it is developed and maintained by SatoshiLabs — the creators of Trezor. It's open-source and undergoes regular audits for security vulnerabilities.
4. Can I uninstall Trezor Bridge after setup?
Only if you're exclusively using the desktop version of Trezor Suite. For browser interactions, Trezor Bridge must remain installed.
5. Where can I download the latest version?
Always use the official link: Trezor.io/start to download Trezor Suite and Bridge. This avoids fake software or phishing attempts.