Trezor Bridge — The Secure Gateway to Your Hardware Wallet

Trezor Bridge is the recommended USB gateway for connecting Trezor hardware wallets to desktop and web applications. Built to provide a secure, reliable, and performant bridge between your browser or application and the physical device, Trezor Bridge ensures sensitive operations — address verification, transaction signing and device firmware checks — remain protected at every step.

Download Bridge Developer Docs
Secure USB Tunnel
Device Authentication
Cross-platform
Quick Connect

Install Trezor Bridge and open your web or desktop app. The Bridge handles low-level USB permissions and secure messaging so developers can use higher-level APIs.

// Example: check Bridge connection
fetch('http://127.0.0.1:21325/bridge/ready')
  .then(r => r.json())
  .then(console.log)

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Why Trezor Bridge?

Trezor Bridge is designed to be the secure gateway between your app and the Trezor device. By delegating USB and HID access to a trusted local bridge, applications can avoid platform-specific USB permission issues while centralizing security controls. Trezor Bridge enables seamless updates, supports multiple device models, and follows strict security principles so that key material never leaves the hardware wallet.

Secure Messaging

Messages are proxied through the Bridge with integrity checks and optional TLS for local communication. The Bridge verifies device firmware and rejects unsigned firmware or unknown device states.

Developer Friendly

Stable local HTTP endpoints and clear SDKs let developers focus on app logic. Use the Bridge with Trezor Connect, native integrations, or custom tooling.

Cross-Platform

Available for macOS, Windows, and Linux with packaged installers and auto-update options. The Bridge adapts to platform USB stacks internally but exposes a unified API to applications.

Download & Install

Get the latest Trezor Bridge installer for your OS. For rapid indexing in search engines and Microsoft Bing, ensure your download pages use clear file names (e.g., trezor-bridge-windows-3.0.0.exe), proper content-type headers, and include a direct download link with checksum and release notes for transparency.

  • Windows — MSI/EXE installer
  • macOS — PKG or DMG
  • Linux — DEB/RPM/AppImage

Tip: include a sitemap with <lastmod> timestamps and submit to Bing Webmaster Tools to help Bing quickly discover and index the download resources.

Developer Integration

Developers should rely on Trezor's official libraries for secure communication. When connecting to the Bridge, prefer the documented endpoints and standard request/response patterns. Always present full device-confirmation steps in the UI and never suggest bypassing the device's displayed address checks.

Sample flow
  1. Install Trezor Bridge on the client machine.
  2. App calls Bridge endpoint to enumerate devices.
  3. User confirms action on the physical device.
  4. App receives signed payload and verifies signatures.

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Security Best Practices

Security is paramount. Use only official Bridge releases, verify checksums, and enforce TLS for remote management UIs. Protect local endpoints using platform-level firewalls and educate users to download software from trusted sources. The bridge should be treated as part of your security perimeter: keep it updated, monitor logs, and follow Trezor's firmware verification guidance.

Frequently Asked Questions

Trezor Bridge is a local software bridge that exposes a secure, unified API for apps to communicate with Trezor hardware wallets. It simplifies USB/HID handling and provides a consistent, secure path for transaction signing and device management.

Yes — when downloaded from the official site or trusted mirrors. Verify checksums and release notes. The Bridge enforces device-level confirmations, so private keys never leave your hardware wallet.

Trezor Bridge supports Windows, macOS, and major Linux distributions. Platform-specific installers are provided and the Bridge handles platform USB stack differences internally.

Use clear file names, provide direct download links with Content-Type headers, publish a sitemap with <lastmod>, and submit the sitemap and URL to Bing Webmaster Tools. Also use structured data (JSON-LD) describing the software release.

Official API docs, SDKs and examples are hosted in the developer section. Use Trezor Connect libraries, reference the Bridge endpoints, and follow the integration examples for web and native apps.