What is Trezor Bridge and why do I need Trezor Bridge?

Trezor Bridge is a small helper application that lets your web browser communicate securely with your Trezor hardware wallet. You need Trezor Bridge to connect to wallet.trezor.io, access device features, and sign transactions safely.

Trezor Bridge not detected — how do I troubleshoot?

Common fixes include: reinstalling Trezor Bridge, restarting the computer and browser, checking USB cable/port, allowing the Bridge in firewall settings, and ensuring your Trezor firmware is up to date.

Is Trezor Bridge safe to use?

Yes — Trezor Bridge only facilitates encrypted communication between your browser and your Trezor device. Always download Trezor Bridge from the official Trezor domain and verify signatures when available.

Can I use Trezor Bridge with mobile or only desktop?

Trezor Bridge is primarily for desktop browsers. For mobile devices use the recommended official Trezor mobile solutions or supported wallet apps that integrate with Trezor.

Trezor Bridge — Comprehensive Guide

A focused, practical Trezor Bridge walkthrough: install, connect, troubleshoot and secure your Trezor Bridge setup.

Updated guide • Trezor Bridge essentials

What is Trezor Bridge?

Trezor Bridge is the official desktop helper that enables secure communication between your browser and your Trezor hardware wallet. Trezor Bridge serves as the link (Trezor Bridge connection) so your browser can detect a connected Trezor device, query accounts, and sign transactions. For most users, installing Trezor Bridge is the easiest way to use the web wallet and advanced features.

Why use Trezor Bridge?

Seamless browser-to-device connection with the Trezor Bridge helper.
Secure, encrypted channel managed by Trezor Bridge for signing transactions.
Cross-platform support: Trezor Bridge supports Windows, macOS and many Linux distributions.

How to install Trezor Bridge

Download Trezor Bridge from the official Trezor domain (always verify the source).
Run the Trezor Bridge installer for your OS and follow the steps.
After install, restart your browser and reconnect your Trezor hardware wallet.

Tip: allow the installer in your firewall or security software if connection issues occur. Re-installing Trezor Bridge can fix many common problems.

Troubleshooting Trezor Bridge

Not detected: Try a different USB cable or port. Use a direct USB port (avoid hubs).
Browser complains: Clear cache and restart browser after install of Trezor Bridge.
Firewall/Antivirus: Ensure Trezor Bridge process is allowed to communicate on localhost ports.
Firmware mismatch: Update Trezor device firmware via official Trezor Suite if prompted.

Security notes for Trezor Bridge

Trezor Bridge itself only facilitates communication. The security of your crypto hinges on device firmware, seed phrase handling and physical device protection. Download Trezor Bridge only from the official source, keep your firmware updated, never share your recovery seed, and confirm on-device prompts before signing.

Quick reference

Commands & quick checks

# Windows: check installed Bridge process in Task Manager
# macOS: check /Applications or Activity Monitor for Trezor Bridge
# Linux: check `trezord` or `trezord-go` process depending on your distro

Call to action

Ready to connect? Download the Trezor Bridge installer from the official Trezor domain and follow the installer prompts. After install, return to the wallet interface and reconnect your Trezor device.

Frequently Asked Questions — Trezor Bridge (Top 5)

What is Trezor Bridge and why do I need it? +

Trezor Bridge is a helper app that lets your browser communicate with your Trezor device. It’s required for browser-based wallets to detect and interact with the hardware wallet.

How do I install Trezor Bridge? +

Download the Trezor Bridge installer from the official Trezor website. Run it and follow the platform-specific instructions. Restart your browser after installation.

Trezor Bridge not detected — what should I try? +

Try a different cable, a different USB port, restart the browser and computer, reinstall Trezor Bridge, and check firewall settings. Also confirm Trezor firmware is up to date.

Is Trezor Bridge safe? +

Yes, when downloaded from the official site. Trezor Bridge bridges communication — your private keys never leave the hardware device.

Can I use Trezor Bridge on mobile? +

Trezor Bridge is primarily a desktop solution. For mobile, use Trezor-approved mobile integrations or official mobile apps that support Trezor devices.