What is Trezor Bridge?
Trezor Bridge is a background software utility enabling encrypted communication between supported browsers and your Trezor hardware wallet[web:29][web:31]. It replaces older plugins and provides a universal, stable connection for Trezor Suite and compatible third-party apps, supporting Windows, macOS, and Linux.
Key Features
Universal Browser Support
Bridge works across Chrome, Firefox, Edge, Brave, and Safari—making hardware wallet access seamless[web:32].
Encrypted Communication
All commands and data transmissions are encrypted. Private keys remain on the hardware wallet at all times[web:31].
Automatic Device Detection
Recognizes connected Trezor devices instantly, ensuring effortless setup and management[web:31].
Open Source and Audited
Community-audited code verifies transparency and up-to-date security standards[web:29].
Flexible Integration
Supports third-party wallet apps and older platforms that lack full WebUSB compatibility[web:29].
Security Comparison
Traditional Software Wallet | Trezor Bridge + Hardware Wallet |
---|---|
Keys stored on computer/browser (vulnerable) | Keys isolated inside hardware wallet only[web:29] |
Transactions signed on PC | Transactions signed and approved on hardware |
Malware, phishing risks | Encrypted device-browser channel, physical device confirmations[web:31] |
Limited audits/transparency | Open-source, regular security updates[web:29] |
How Does It Work?
- Install Trezor Bridge from trezor.io.
- Connect your Trezor wallet via USB (Windows, macOS, Linux supported)[web:29].
- Bridge runs invisibly, enabling encrypted communication for Trezor Suite and other apps.
- Physical confirmations for sensitive transactions always happen on the hardware device—not your computer.
- Bridge remains important for browsers/systems lacking full WebUSB support (e.g., Firefox, Safari)[web:23].
Demo: Simulate Device Detection
FAQ
- Is Trezor Bridge safe? Yes, it is open-source, regularly updated, and uses encrypted communications[web:29].
- Does it store my keys? No—private keys always remain locked inside the hardware wallet[web:31].
- Which browsers/platforms? Chrome, Firefox, Edge, Brave, Safari; Windows, macOS, Linux[web:29][web:32].
- Is Bridge still required? Yes, for browsers/systems without full WebUSB support or for third-party app integrations[web:23][web:33].
- How often should I update Bridge? Check for updates regularly to maintain optimal security and compatibility[web:29].