Trezor Bridge acts as a secure local bridge between Trezor Suite (or web apps) and your Trezor hardware wallet. It isolates USB/communication access to trusted software only, keeping private keys offline while allowing transactions to be signed securely.
This page explains what Bridge does, why it matters, how to install and troubleshoot, and how to reach support. Clear, modern layout and accessible content so you can get connected quickly.
Strong Isolation
Bridge creates a controlled interface so your browser cannot access the device directly — reducing exposure to malicious pages.
Cross-platform
Available for Windows, macOS and Linux with lightweight installers and automatic updates.
Automatic Updates
Bridge checks for updates and can update transparently, keeping compatibility and security up to date.
Minimal Permissions
Designed to request the minimum system privileges required for device communication only.
1. Download the latest Bridge for your OS from the official source. 2. Run the installer and follow prompts (macOS: allow USB permission; Windows: accept Windows prompts). 3. Open Trezor Suite or supported web app — Bridge runs in the background and connects automatically. 4. When finished, quit Bridge or uninstall via system controls.
Frequently Asked Questions
Bridge is a small local service that enables secure USB communication between your Trezor device and desktop apps or web-based wallet interfaces. It prevents direct browser access to USB devices, improving security and compatibility across platforms.
Bridge is built with security in mind. Trezor publishes source code and release notes; always download Bridge from official Trezor channels and verify checksums when provided to avoid tampered installers.
Check that your device is unlocked and not in bootloader mode, try a different USB cable/port, confirm Bridge is running (system tray / background processes), and ensure no firewall or antivirus is blocking it. Reinstall Bridge if necessary.
Yes. Bridge acts as a local connector and can be shared by multiple compatible apps on the same computer simultaneously, while still enforcing device confirmation for sensitive actions.
Use your OS uninstall manager (Windows: Apps & Features; macOS: move app to Trash and remove background helper; Linux: remove package). Reboot after uninstalling. Note: removing Bridge will stop desktop apps from talking to your Trezor until reinstalled.