Trezor Bridge

Trezor Bridge — Secure connection for your Trezor hardware wallet

Trezor Bridge offers a private, reliable, and secure connection between your Trezor device and your browser or desktop — enabling safer crypto management, firmware updates, and USB communication.

Secure connection
End-to-end USB bridging for Trezor device communication.
Privacy-first
Local host communication — no cloud intermediaries.
Cross-platform
Windows, macOS, Linux — one bridge to connect all Trezor devices.
Quick install run: trezor-bridge-installer
Verified • Secure
Trezor device Supported: Trezor One, Trezor Model T

Connect your Trezor via USB and use the Bridge for seamless, secure operations.

Why Trezor Bridge matters for security

Trezor Bridge acts as a secure connection layer between your Trezor hardware wallet and your computer or browser. The Bridge enables secure USB communication, safe firmware updates, and reliable transaction signing for Bitcoin, Ethereum and thousands of other crypto tokens. Whether you're a casual holder or an institutional user, using Trezor Bridge ensures a secure connection, strong privacy, and a stable bridge for your digital assets.

Key features — Trezor Bridge, secure connection & more

  • Local-first communication: The Bridge runs locally and does not send your sensitive data to external servers, preserving privacy for wallet operations.
  • Robust USB protocol: Stable USB bridging for signing transactions, verifying addresses, and installing firmware.
  • Regular updates: Secure update mechanism for performance and compatibility improvements.
  • Compatibility & support: Works with major browsers and desktop wallets that integrate with Trezor functionality.

Easy installation & setup

Install the Trezor Bridge package for your operating system, allow the small helper service to run, and connect your Trezor device. Most users get started in under five minutes. If you prefer CLI, the install command is available on the support page. Keep your bridge updated to get the latest device compatibility and security patches.

Best practices for a secure connection

  • Always download Bridge from official sources and verify checksums.
  • Keep firmware and Bridge software up to date.
  • Use a dedicated device for high-value transactions where possible.
  • Check your browser permissions and block unknown extensions.

Privacy & trust

Trezor Bridge prioritizes privacy: it opens a local port and communicates directly with your connected Trezor hardware wallet. No private keys or seed phrases ever leave your device — the Bridge merely acts as a secure channel for commands and signatures. This privacy-first approach reduces attack surface compared to cloud-based solutions.

Troubleshooting common scenarios

If your device isn't recognized, try these steps: reconnect the USB cable, restart the Bridge service, reinstall the latest Bridge package, and verify permissions in your OS. If issues persist, consult the support logs and reach out to the official Trezor support channels with log snippets and system information.

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Frequently asked questions

1. What is Trezor Bridge and why do I need it?
Trezor Bridge is a small helper application that enables secure communication between your Trezor device and your browser or desktop apps. You need it to safely sign transactions, perform firmware updates, and allow reliable USB communication with wallets and web apps.
2. Is Trezor Bridge safe and private?
Yes. The Bridge runs locally on your machine and only facilitates USB commands to the device. It does not transmit private keys, seed phrases, or transaction data to external servers.
3. Which systems support Trezor Bridge?
Bridge supports Windows, macOS, and Linux. Some browser integrations may also require additional permissions; check the download page for the exact installer for your platform.
4. How do I update Trezor Bridge?
Download the latest installer from the official support page and run it. The Bridge will typically update automatically if configured to do so, otherwise the installer replaces the existing version and restarts the service.
5. My browser can't detect my Trezor — what now?
Try reconnecting the device, checking USB permissions, restarting Bridge, or reinstalling the Bridge installer. If the problem persists, gather logs and contact support; community forums can also provide help for common environment configurations.