You can easily log into your Binance.US account on a web browser by scanning a QR code in their Binance.US mobile app, see the instructions below to learn how to do so.
1. Visit the Binance.US login page using your web browser
2. Your QR code will now show on your browser and need to be scanned in your Binance.US mobile app.
3. In the Binance.US mobile app, navigate to the home screen and tap on your Profile Icon in the upper right hand corner.
4. On your profile page, tap the QR icon in the upper right hand corner.
5. Using your phone camera, scan the QR code displayed in the web browser. If the app requests camera access, allow it.
6. After scanning, tap Confirm to authorize the login from your mobile device.
That's it! You will now be logged in to your Binance.US account on the web.