Use the Snipping Tool (Windows) or Screenshot (Mac: Shift+Cmd+4). Capture the cover photo area and save as a PNG or JPEG. The Big Limitation: You Cannot Get High-Resolution Images It is critical to manage your expectations. Facebook serves images based on your access level. Because a locked profile explicitly denies you “friend-level” access, the image URL you extract via the Inspector method is a low-resolution, heavily compressed thumbnail (usually 828px wide or smaller).
Ultimately, a locked profile is a deliberate privacy shield. Before downloading, ask yourself: Am I doing this for legitimate personal reference, or am I invading someone’s boundary? If the answer is the latter, respect the lock and move on. download facebook cover photo of locked profile
Take a screenshot of the entire profile (Volume Down + Power on most phones). Then, use your phone’s built-in photo editor to zoom in and crop the cover photo. The resolution will be low (match your screen’s DPI), but it works instantly. Use the Snipping Tool (Windows) or Screenshot (Mac: