Trezor Bridge® | Official TreZor® Connection Software
If you use a Trezor hardware wallet, Trezor Bridge is the quiet hero that makes secure, smooth crypto management possible from your browser or desktop apps. It runs in the background, creating an encrypted communication layer between your computer and your Trezor so your private keys never touch the internet.
What Is Trezor Bridge?
Trezor Bridge is a lightweight background application that allows websites and wallet apps (like Trezor Suite) to “talk” to your Trezor hardware wallet safely. Instead of using older browser extensions, it uses a local, encrypted connection so your device is recognized instantly without extra plugins or drivers.
In practical terms, when you plug in your Trezor and open a supported site, the Bridge detects the device, verifies it, and relays transaction requests without ever exposing your secret keys.
Key Features & Advantages ✨
- Strong security layer: All communication between your browser and Trezor is encrypted and happens locally, which makes man‑in‑the‑middle attacks or data interception extremely difficult.
- Hardware-level protection: Every transaction must be physically confirmed on your Trezor screen, so even if your PC is infected, funds cannot move without your approval.
- No browser extension hassles: The older Chrome extension is deprecated; Bridge removes dependency on fragile extensions and reduces compatibility issues.
- Cross-platform & cross‑browser: Works on Windows, macOS, and Linux and supports major browsers like Chrome, Firefox, Edge, and Brave.
- Automatic device detection: As soon as you connect your Trezor, Bridge recognizes it and lets supported apps interact with it right away.
- Automatic background updates: Modern versions of Trezor Bridge update themselves to stay compatible with new firmware and browser changes.
- Lightweight performance: It runs silently in the background with minimal impact on your system resources.
These advantages translate into a safer, smoother, and more future‑proof experience for both beginners and experienced crypto holders.
Why Trezor Bridge Matters for Security
Most attacks target browsers, extensions, or compromised websites, not the hardware wallet itself. Trezor Bridge reduces this risk by:
- Keeping private keys strictly offline on the Trezor device, never in your browser or on a remote server.
- Only communicating with trusted, Trezor‑authorized applications through encrypted channels.
- Requiring physical confirmation on the device for every important action, from signing a transaction to approving a token transfer.
This “offline‑first” design makes it far harder for phishing pages or malware to move your funds, even if they trick your browser.
Simple Example of Using Trezor Bridge
- Install Trezor Bridge from the official Trezor website on your computer.
- Plug in your Trezor hardware wallet via USB.
- Open Trezor Suite or another supported web app in your browser.
- The site automatically detects your device through Bridge, and you manage balances, send crypto, or update firmware while confirming actions on your Trezor screen.
Everything feels like a normal web app, but your keys never leave secure hardware.
FAQ About Trezor Bridge
- Is Trezor Bridge safe to use?
Yes. It uses encrypted, local communication and requires physical confirmation on your Trezor for all critical actions, which significantly reduces common web wallet risks. - Do I still need browser extensions with Trezor Bridge?
No. The old Chrome extension has been deprecated, and Bridge replaces it with a more secure, stable, and widely compatible solution. - Which systems and browsers does Trezor Bridge support?
It works on Windows, macOS, and Linux, and supports major browsers such as Chrome, Firefox, Edge, Brave, and others that can interact with local services. - Why is Trezor Bridge required for Trezor Suite?
Trezor Suite uses Bridge to detect your device, sign transactions, and manage firmware while keeping private keys isolated on the hardware wallet. - Does Trezor Bridge slow down my computer?
No. It is designed as a lightweight background service with minimal resource usage, so it runs quietly without affecting everyday performance.