Trezor Bridge — Secure Wallet Connection (H1)

Connect hardware wallets safely to your desktop apps and browser

Secure, Private, and Transparent Bridge for Your Trezor Device

The Trezor Bridge acts as a secure intermediary between desktop apps and your Trezor hardware. It provides a reliable connection channel without exposing sensitive keys — designed for wallets, dApps, and power users who demand privacy and predictability.

Air-gapped safety

Device signs transactions locally. The bridge only forwards messages — secrets never leave your hardware.

Cross-platform

Works with Windows, macOS, and Linux. Lightweight and low-permission installer.

Transparent logging

Optional verbose logs for advanced troubleshooting, always on your machine.

Automatic updates

Keeps the connection protocol current while maintaining user control over upgrades.

How Trezor Bridge Works

Trezor Bridge is a small service that runs locally and exposes a well-defined API to browser extensions and desktop applications. When a compatible app needs to communicate with your Trezor, it sends requests to the Bridge which then securely forwards them to the hardware via USB (or WebUSB). The hardware performs cryptographic operations and returns signed responses. At no point does the Bridge store or transmit private keys. Its role is solely to provide a stable, permissioned channel between software and secure hardware.

Design & Layout Notes

This page uses a two-column layout with cards, soft glass backgrounds, and a high-contrast call-to-action strip. Visual hierarchy is achieved with a large H1/H2, mid-sized subheads, and a monospaced inline style for technical tokens and statuses. Color contrasts, rounded cards, and subtle shadows provide a modern, trust-focused UX suitable for finance and security tools.

Security Principles

  • Least privilege: the Bridge requests only necessary access; users approve each connection.
  • User-consent first: any transaction requires physical confirmation on the device.
  • Local-first architecture: sensitive data stays on-device and on your computer whenever possible.

Developer Integration

For developers, the Bridge provides a minimal JSON-RPC-like interface and well-documented endpoints. Use the official SDKs or call the Bridge directly for custom integrations. Always respect origin and user prompts to maintain security integrity.

Frequently Asked Questions

1. Is my private key ever uploaded or shared?

No. The private key is generated and stored on the Trezor device. Trezor Bridge only relays requests and responses — signatures happen inside the hardware and raw keys never leave.

2. Do I need to keep Bridge running all the time?

You can start the Bridge when you need it. For convenience, it can run in the background with minimal resource usage and will automatically stop when not in use.

3. How does Bridge update and how are updates verified?

Updates are signed and delivered through the official channels. Bridge performs signature checks locally; you may opt in to automatic updates or manually verify signatures before installing.

4. What platforms and browsers are supported?

Bridge supports modern Windows, macOS, and Linux distributions. It works with major browsers that allow native messaging or WebUSB. Check the integration docs for exact supported versions.

5. I see an unknown device prompt — what should I do?

If you see prompts for unknown devices, disconnect and verify physical device details. Only confirm connections that match your Trezor's label and fingerprint. Contact support if something seems off.