Here you can safely store your screenshots, images and generate a link to share on forums, websites or create an album to share with friends.
ImgBB - Upload and share your images.
PixelFed - PixelFed is a federated image sharing platform, powered by the ActivityPub protocol.
PostImage.org - Provides free image upload and hosting integration for forums.
PhotoStructure - PhotoStructure is a complete photo and video management application designed for the whole family.
imgbox - Imgbox is a free image hosting service.
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.