Facebook Login Desktop [new]
If you are logged into Facebook on your mobile device, you can bypass typing your password on a desktop. On the desktop login page, look for or "Use QR code" . Scan the QR code with your Facebook mobile app (tap the menu icon > "Settings & Privacy" > "QR Code"). The desktop logs you in instantly.
You can save your login info by going to your Settings & privacy within the Facebook Accounts Center, which lets you access your feed by just clicking your profile picture next time. facebook login desktop