Trezor Bridge — Secure browser/desktop connection for Trezor

Trezor Bridge is a lightweight, official utility that enables secure communication between your Trezor hardware wallet and desktop or web apps that require device access. The tool replaces older browser extension workflows and improves compatibility while keeping keys isolated on the device.

Official: trezor.io/bridge

What is Trezor Bridge?

Trezor Bridge is a small, trusted application that runs locally on your machine and allows Trezor Suite or compatible web apps to communicate with your Trezor device over a secure, encrypted channel. It removes the need for legacy browser extensions and streamlines device discovery, improving both stability and privacy.

Why Bridge matters

Modern browsers limit direct USB access for security reasons; Bridge acts as the reliable bridge between browser-based or desktop wallets and your Trezor. When used correctly, it enhances safety by keeping private keys on the hardware device and only passing unsigned transactions to your browser or app for review.

Install — step by step

  1. Open the official page: trezor.io/bridge.
  2. Choose the installer for your operating system (Windows, macOS, Linux) and download the file.
  3. Run the installer and follow prompts to complete the installation. The Bridge application runs as a small background service.
  4. Restart your browser or desktop app if necessary. Open Trezor Suite or a supported web app and connect your device.

Note: always download Bridge only from the official domain to avoid malicious copies.

Using Bridge with Trezor Suite and web apps

  • After installing Bridge, launch Trezor Suite (or open a supported site) and connect your device via USB.
  • When a connection request appears in your browser or app, confirm it and then verify transaction details on the Trezor device screen before approving.
  • Bridge simply facilitates connection — the signing and verification process always happens on the Trezor device.

Troubleshooting

  • Device not detected: Replug the cable, try a different USB port, and restart the browser or Trezor Suite.
  • Bridge update required: Download the latest Bridge installer from trezor.io/bridge and reinstall.
  • Permissions problems: Ensure the browser or app has permission to use the Bridge service; disabling restrictive browser extensions can help.
  • OS firewall / antivirus: Temporarily allow the Bridge service through your firewall or security software during setup (then re-enable protections afterward).

Security & best practices

  • Install Bridge only from the official Trezor domain. Avoid third-party copies.
  • Keep your Trezor device firmware and Trezor Suite up to date for security fixes.
  • Verify all transaction details on the Trezor device screen before confirming — the device is your final authority.
  • Do not share your recovery seed or enter it into any Bridge-connected browser page or desktop application.