Instead of resorting to dubious tools, users can consider alternative, legitimate ways to connect with others on Facebook:
Apps may request extensive permissions to access your own friends list, photos, and private messages to use for further scams. Legitimate Ways to See Restricted Content
If you’re a security researcher, accessing private Facebook data without authorization is still illegal unless you’re working under Facebook’s official and have explicit permission via a test account you own. Never test on real user accounts.
: You may be asked to complete "human verification" surveys. These never lead to the pictures; they simply generate ad revenue for the site owner while wasting your time. Why "Profile Viewers" Don't Work