: Right-click the image and select "Open image in new tab" .
Never use tools that require you to log in with your Facebook account credentials. These are often phishing scams designed to steal your account. view facebook profile picture full size full
: Go to the user's profile and simply click on their profile picture. Mobile App : Tap the profile picture and select "See profile picture" Stack Overflow : Right-click the image and select "Open image in new tab"
You can manually request a larger size by modifying the Facebook Graph API link if you have the user's numeric ID. view facebook profile picture full size full
1. The Mobile Web Trick (Best for Desktop & Mobile Browsers)
This is more effective than the app.