What is Trezor Bridge?

Trezor Bridge is a small software application developed by SatoshiLabs for connecting your Trezor hardware wallet (such as Trezor Model T or Trezor One) with your computer’s web browser.
It acts as a communication link between your hardware device and Trezor Suite (or compatible third-party apps).
Without Trezor Bridge, your browser would not be able to communicate directly with your Trezor device, making transactions, firmware updates, or backup impossible.

Why Do You Need Trezor Bridge?

When you plug in your Trezor device, your computer recognizes it, but your browser needs a secure way to send and receive data to and from the device.
Older methods used browser extensions like the Trezor Chrome Extension, but these have been replaced by Trezor Bridge for greater security, cross-browser compatibility, and easier updates.

Supported Operating Systems

Trezor Bridge works on:

  • Windows

  • macOS

  • Linux

Always download it directly from the official Trezor website trezor.io/start to ensure you’re getting the genuine, untampered software.

Step 1: Connect Your Trezor Device

Before installing Trezor Bridge, plug your Trezor device into your computer using the USB cable.
This ensures the software will recognize your device immediately after installation.

Step 2: Visit the Official Download Page

  1. Open your web browser (Chrome, Firefox, Brave, or Edge).

  2. Go to trezor.io/start.

  3. The page will automatically detect that your device needs Trezor Bridge.

  4. Click “Download Trezor Bridge.”
    Make sure the URL is correct to avoid phishing scams.

Step 3: Install Trezor Bridge

  • Windows: Run the .exe installer and follow the on-screen instructions.

  • macOS: Open the .pkg file and follow the prompts. You may need to approve it in System Preferences > Security & Privacy.

  • Linux: Use the .deb or .rpm package depending on your distribution, or use terminal commands as guided on the download page.

When the installation finishes, Trezor Bridge will run in the background automatically.

Step 4: Allow Permissions

Some operating systems or browsers may ask for permissions.
Grant permission for the Bridge to communicate with your Trezor device.
If prompted, reload your browser or restart your computer.

Step 5: Open Trezor Suite

Once Trezor Bridge is installed:

  1. Open suite.trezor.io or launch the Trezor Suite desktop app.

  2. Your device should now be detected automatically.

  3. You’ll be able to access your wallet, update firmware, and perform transactions securely.

Keeping Trezor Bridge Updated

Trezor Bridge updates occasionally for security improvements.
The software will notify you if an update is available.
Always download updates from trezor.io/start or the Suite app.

Troubleshooting Common Issues

  • Device Not Detected: Unplug and reconnect your Trezor. Restart the browser.

  • Permission Errors: Make sure your OS security settings allow the app to run.

  • Antivirus Blocking Bridge: Whitelist Trezor Bridge in your antivirus settings.

Final Tips

✅ Always verify you’re on the official Trezor website.
✅ Never download Bridge from third-party sites.
✅ Keep your computer malware-free.

Conclusion

Trezor Bridge is essential for secure communication between your hardware wallet and your computer.
With this guide, you can install and use it confidently — ensuring your crypto assets remain safely under your control.