What is Trezor Bridge?
Trezor Bridge is a background software utility that allows your web browser to communicate directly with your Trezor hardware wallet. It acts as a secure connection layer between your computer and your Trezor device, enabling browser-based applications such as Trezor Suite Web to function seamlessly.
Without Trezor Bridge installed, your browser will not be able to detect or interact with your device, making it an essential component for using Trezor in a web environment.
Why Do You Need Trezor Bridge?
- 🔗 Establishes a direct, encrypted connection between your browser and hardware wallet
- 🌐 Enables use of Trezor Suite Web without installing the desktop version
- 🔒 Keeps your private keys isolated and secure on the hardware device
- 🧩 Supports multiple browsers including Chrome, Firefox, Brave, and Edge
- ⚙️ Lightweight and runs silently in the background
How to Download and Install Trezor Bridge
- Go to the official Trezor Bridge download page.
- Select your operating system (Windows, macOS, Linux).
- Download the latest installer package.
- Run the installer and follow on-screen instructions.
- Restart your browser after installation.
- Connect your Trezor device and use the web app.
The installation is quick and does not require any special permissions. On first use, your browser will automatically detect Bridge and allow secure connections.
System Requirements
- Windows 10 or newer
- macOS 10.13 or newer
- Most Linux distributions (Debian, Ubuntu, Fedora)
- At least one USB port and 100MB free disk space
- Chrome, Firefox, Brave, or Edge browser installed
Security Benefits of Trezor Bridge
Trezor Bridge enhances security by allowing local browser communication with your hardware wallet without exposing it to the internet or third-party extensions. Key benefits include:
- 🔐 Encrypted communication between browser and device
- 🛡️ No dependency on insecure browser extensions
- 👁️ Open-source and verifiable source code
- 🧱 Blocks unauthorized apps from interacting with your Trezor
Troubleshooting Trezor Bridge Issues
Bridge Not Detected
Make sure the service is running in your system tray. If not, reinstall from the official site.
Browser Can't Connect
- Ensure your Trezor is connected and unlocked
- Restart your browser
- Try a different USB port or cable
- Disable conflicting browser extensions
Firewall Blocking Access
Add an exception for Trezor Bridge in your firewall or antivirus settings. The service runs locally on port 21325.
Frequently Asked Questions (FAQs)
Is Trezor Bridge required?
Yes, for using the Trezor Suite Web app. It’s not required for the desktop version of Trezor Suite.
Is it safe to install?
Absolutely. Bridge is digitally signed and provided by SatoshiLabs, the creators of Trezor.
Can I uninstall Bridge after using it once?
If you intend to use Trezor Suite Web again, you’ll need Bridge running in the background. Otherwise, you can switch to the desktop app which doesn’t require Bridge.
Does Trezor Bridge update automatically?
No, updates must be installed manually. You’ll be notified when a new version is available.
Where is it installed on my system?
- On Windows: C:\Program Files\Trezor Bridge
- On macOS: /Applications
- On Linux: Varies by distribution