A free app for Android, by DevAppliance.
Media Revealer is a powerful and easy-to-use tool that will allow you to view any hidden media files (photos, videos) on your device.
The app will scan your device and display any photos or videos that have been hidden by other apps.
It is quick and easy to use, and the interface is easy to understand and navigate.
Media Revealer makes it easy to see all your hidden media files in one place.
You can choose to delete or export the files and share them.
Sometimes different applications even social media applications like Facebook, WhatsApp, Reddit, and more can save files in your device in a hidden folder so that you cannot see it.