Trézór Bridge®™ | Smooth, Safe, and Encrypted Crypto Connectivity

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— 1 min read

Trezor devices can connect to browsers using two different methods: Trezor Bridge and WebUSB. Each has advantages and limitations. Understanding the differences helps you decide which is best for your workflow.

What Is WebUSB?

WebUSB is a browser-based technology that allows websites to communicate with USB devices directly—without additional software. It is supported by browsers like Google Chrome. For Trezor users, WebUSB offers plug-and-play convenience.

Advantages of WebUSB

  • No installation required
  • Immediate browser-to-device communication
  • Works well for simple tasks and quick access
  • Ideal for Chromebook users who cannot install Bridge

Limitations of WebUSB

WebUSB support varies across browsers. Firefox and Safari do not fully support it, limiting compatibility for many users. Additionally, some complex operations, like firmware updates, may require Trezor Bridge for improved stability.

What Makes Trezor Bridge Different?

Bridge is a local system service that acts as a secure intermediary between your Trezor device and desktop applications. It provides deeper integration and more stable performance, especially with Trezor Suite.

Advantages of Trezor Bridge

  • Works across all major desktop operating systems
  • More stable than WebUSB for complex tasks
  • Required for Trezor Suite desktop
  • Enhanced security and isolation

Which Should You Choose?

If you use Trezor Suite desktop, Bridge is essential. If you prefer browser-only access and use Chrome, WebUSB can be convenient. However, for long-term reliability, especially when managing multiple assets, Bridge remains the recommended option.

Conclusion

Both WebUSB and Trezor Bridge have their place. WebUSB offers simplicity, while Bridge offers reliability and security. Most users benefit from installing Trezor Bridge to ensure full functionality and optimal performance.

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