📦What is Trezor Bridge?
Trezor Bridge is a small helper application that allows web browsers and desktop apps to communicate with your Trezor hardware wallet. It runs locally on your computer and handles USB communication so browsers don't need direct low-level USB access. Think of it as the translator between your wallet and the apps you use.
❓Why you need it
- Securely sign transactions with your Trezor device without exposing private keys 🔒
- Enable compatibility for popular wallets and block explorers ✨
- Run in the background for seamless device detection and fast reconnection ↩️
🛠️Installation (Windows / macOS / Linux)
Follow the official download link from the Trezor website. Always verify the URL and checksum if you want extra assurance.
- Download the latest Bridge installer from the official source.
- Run the installer and follow on-screen prompts (admin privileges required on Windows/macOS).
- After installation, Bridge runs in the background. Open your browser and visit the wallet app to confirm device detection.
# Example CLI check (Linux/macOS)
# List Bridge process
ps aux | grep trezord
# On Windows, check Services or Task Manager for "Trezor Bridge"🔍Security best practices
- Always download Bridge from the official Trezor domain. Phishing sites can deliver malicious binaries.
- Keep Bridge updated — updates can contain security fixes and new device support.
- Pair Bridge with a hardware device you control — never input seed phrases into a computer. Your seed stays on the device only. 🧾❌
🩺Troubleshooting
If your Trezor isn't detected, try the steps below in order — moving down the list until the problem is solved.
- Restart Bridge: Quit the Bridge background app and relaunch.
- Try a different USB cable/port: Not all cables carry data; some are power-only. Swap cables and ports. 🔌
- Browser permissions: Ensure your browser is allowed to access local resources. Clear site data and reload.
- Reinstall Bridge: Uninstall, download the latest version, and reinstall.
- OS-specific quirks: On Linux, you may need udev rules; on macOS, confirm system prompts allowed the connection.
⚙️Compatibility notes
Trezor Bridge works with modern browsers (Chrome, Edge, Firefox) and many wallet UIs. Some browser updates change USB handling — if detection breaks after a browser update, check Bridge's release notes and the wallet's compatibility page.
❗Quick FAQ
- Do I need Bridge for every wallet?
- Most browser-based wallets require Bridge or a WebUSB-compatible workflow. Some desktop wallets use direct integration.
- Does Bridge access my keys?
- No. Bridge only forwards messages between the app and device. Private keys never leave the hardware wallet.
🔁Alternatives
If you prefer not to use Bridge, options include using desktop wallet apps with native Trezor support or using WebUSB (when supported). Be mindful — alternatives can have different security and convenience trade-offs.
✅Conclusion
Trezor Bridge is a lightweight, necessary piece of software for many Trezor users. When installed and updated, it makes hardware wallet interactions smooth and secure. Keep it updated, verify downloads, and treat your seed with extreme care.
Happy securing!