Flickr - image and video hosting website
Easy Vault - Easy Vault: Hide Pictures, Videos, Gallery, Files is an all-in-one privacy protection application designed for those who want to lock and hide their private files.
Imgur - Imgur is a free and simple image hosting service with image editing feature. Signup is optional.
Folder Lock - Folder Lock is a security software that helps you to password protect files, shred files, clean history, encrypt the personal documents and much more.
Google Photos - All your photos are backed up safely, organized and labeled automatically, so you can find them fast, and share them how you like.
Photo Lock App - Photo Lock App – Hide Pictures and Videos is one of the best privacy protection apps developed and published by Donna Danley.