Download Trezor Bridge — Secure Connection for Your Trezor
Official, step-by-step instructions to download, install, and troubleshoot Trezor Bridge so your Trezor hardware wallet can communicate safely with your browser and desktop apps.
What is Trezor Bridge and why you need it
Trezor Bridge is a lightweight background service that enables secure communication between your Trezor hardware wallet and web or desktop wallet interfaces. Because modern browsers restrict direct USB access for security reasons, the Bridge provides an approved, local channel to forward signing requests to your device. Importantly, private keys never leave your Trezor — Bridge only transmits signing requests which you must confirm on the device.
Before you download: quick checklist
- Always download Bridge from the official source: trezor.io/start.
- Ensure your operating system is supported (Windows, macOS, Linux) and updated.
- Use the USB cable that came with your Trezor or a high-quality data cable.
- Have your Trezor PIN ready — you’ll need to unlock the device after connecting.
Download & install — step-by-step
- Go to the official start page: open trezor.io/start. This page detects your OS and presents the recommended Bridge installer.
- Download the installer: choose the installer for your operating system (Windows .exe, macOS .pkg / .dmg, Linux .deb / AppImage as available).
- Run the installer: follow the on-screen prompts. On macOS you may need to allow the installer in System Preferences (Security & Privacy) if the OS blocks it.
- Restart your browser: after installation, quit and reopen your browser so it can detect the Bridge service.
- Connect your Trezor: plug in the device, unlock with your PIN, and open the official Trezor Suite or a compatible web wallet to begin interacting with the device.
Which Trezor apps use Bridge?
Trezor Suite (desktop & web), and many compatible web wallets and interfaces rely on Bridge to communicate with your device. If you prefer, some desktop apps include their own communication layers — but installing Bridge is the most broadly compatible and recommended approach.
Troubleshooting — common issues & fixes
Bridge not detected
- Confirm Bridge is running: check your system processes for "trezord" or "Trezor Bridge".
- Try a different USB port or cable. Prefer ports directly on your computer rather than on hubs.
- Restart your browser and the Trezor Suite (if using it). Reboot the computer if the problem persists.
Installer blocked (macOS)
macOS may block non-App Store installers. Open System Settings → Security & Privacy and allow the installer. Re-run the Bridge installer afterward.
Permission or driver errors (Windows)
On Windows, if drivers didn’t install automatically, re-run the installer as Administrator. Check Device Manager for unknown devices and update drivers if necessary.
Bridge seems outdated
If you recently updated firmware or your browser, visit the start page again and download the latest Bridge version. Keep Bridge updated but review release notes if available before upgrading in sensitive setups.
Advanced tips for confident users
- Verify signatures on device: when signing transactions, always verify recipient addresses and amounts on the Trezor screen before approving.
- Limit browser extensions: some browser extensions can interfere with USB devices. Disable unnecessary extensions when using your Trezor.
- Test with a small transaction: when setting up or after major changes, use a small test transaction to confirm the flow works end-to-end.
- Keep backups safe: never type your recovery seed into your computer; store it offline on paper or a metal backup.
Download links & platform notes
Official downloads and the latest instructions are always available on the Trezor start page:
Download Trezor Bridge (Official) Trezor Official Site
| Platform | Notes |
|---|---|
| Windows | Use the .exe installer; run as Administrator if prompted. |
| macOS | Allow in Security & Privacy if blocked; prefer newer macOS versions for best compatibility. |
| Linux | Deb / AppImage packages available for many distributions; see official instructions for distro-specific steps. |
FAQs — quick answers
1. Do I always need Trezor Bridge?
Many desktop/browser wallets use Bridge to communicate with Trezor. Some native desktop apps may include alternative connectors, but Bridge is the most compatible and recommended choice.
2. Is Trezor Bridge safe?
Yes — when downloaded from the official site. Bridge does not access or transmit your private keys or recovery seed. It only forwards signing requests which must be confirmed on your Trezor device.
3. Can I use Trezor without Bridge?
In some limited cases, yes — certain native desktop wallets or integrations may provide direct support. However, for most browser-based workflows, Bridge is required.
4. My browser doesn't detect Trezor after installing Bridge — what should I do?
Restart your browser, reconnect the device, check system permissions, and ensure the Bridge service is running. Reinstall Bridge from the official start page if needed.
5. Where should I download Trezor Bridge?
Always download from trezor.io/start. Do not use third-party links or attachments from chats or forums.