How to log in to Pinterest from a computer or mobile device. What to do if you don’t have a login?. You might use Pinterest to save images and websites as a digital clipboard, just like many others. Pinterest is used by many people to find inspiration for home design, fashion, recipes, and research major purchases. It doesn’t matter how you use Pinterest, it is important that you know how to log into your account regardless of what device you use or if you lose your credentials.
