The cover photo, however, remains partially visible—but only as a thumbnail. To see the (full-resolution, uncropped version) is what the keyword implies.
While Facebook's profile locking feature is intended to enhance user security and control, it can sometimes create issues for users who want to view the cover photos of locked profiles. When a user's profile is locked, their cover photo may not be visible to others, including friends and non-friends alike. This can be frustrating, especially if you're trying to view a cover photo for personal or professional reasons. fb locked profile cover photo viewer top
Reviewers distinguish between tools that scrape publicly available data and those that claim to "hack" private settings. When a user's profile is locked, their cover
Technical users sometimes use "Inspect Element" (F12) to find direct image URLs in the page source, but this usually only yields the low-resolution thumbnail that is already visible to the public. How to Protect Your Own Profile Technical users sometimes use "Inspect Element" (F12) to
Even with a locked profile, Facebook does show non-friends a of the cover image (typically 200x100 pixels or less). You cannot meaningfully zoom in or see details.