.PLP File Extension

Locked picture created by Photo Locker, an Android app used to hide photos on your device; stores a picture that has been "locked" by the app in order to hide the image from being viewed by others.

You can manually restore your locked PLP pictures by navigating to the Photo Locker folder in your device's storage. Then rename the ".plp" file extension of your picture(s) with the ".jpg" or ".png" extension.