What is Trezor Bridge?
Trezor Bridge acts as a secure middle layer between your web browser (or desktop wallet) and your Trezor hardware wallet. Many browsers have tightened security over USB connections, making direct device communication unreliable. Bridge solves this by running a local service on your computer that safely relays messages between the wallet interface and your device.
It runs silently in the background, uses minimal system resources, and automatically starts on boot. You won't notice it working—until you unplug it and suddenly your wallet stops being detected.
How to Install Trezor Bridge
- Go to the official Trezor website.
- Download the latest Bridge installer for your operating system (Windows, macOS, or Linux).
- Close your wallet application and browser before installing.
- Run the installer and follow the on-screen instructions.
- Reconnect your Trezor device and launch your wallet app.
Tip: On Linux, you might need to install udev rules for proper USB permissions.
Troubleshooting Common Issues
Even the most reliable software can run into hiccups. If Trezor Bridge is not working properly, try these steps:
- Restart your computer to reset the service.
- Check your USB cable—use an original or data-capable one.
- Make sure no other wallet app is locking the device connection.
- Update your browser or switch to one that supports WebUSB.
- Reinstall Trezor Bridge from the official website.
Security Considerations
Trezor Bridge is purely a transport tool—it never sees or stores your private keys or recovery seed. All sensitive operations happen inside your hardware wallet, which has its own secure chip and screen for confirmation.
Always verify any transaction details on your Trezor’s display before approving. If something looks suspicious, reject it immediately and investigate the source.
Why You Might Not Need It
If you exclusively use the desktop version of Trezor Suite, you may not need Bridge at all. However, for browser-based wallets or certain configurations, it remains an essential component for device detection.
Final Thoughts
Trezor Bridge is one of those tools you rarely think about, but when it’s missing, you’ll feel its absence immediately. It enables the secure, seamless experience that hardware wallets promise, bridging the gap between your device and the apps you rely on daily.