MetaRazer vs Fliff

MetaRazer is a great and simple tool for keeping your photos and videos private. An intuitive and clean interface of the app allows you anonymize your content in seconds and share it securely on any social media platform or messaging service. - Safe and secure sharing of single or multiple photos or videos - Choose to preserve or delete the original media files after processing - Edit existing or set new Geolocation for any photos! - All anonymized photos and videos are automatically saved to a dedicated MetaRazer Album - Support browse photos in iCloud - Remove & Edit Exif metadata

With Fliff you can convert formats of image files or scale them. You can load images from the clipboard, the Photos app, the Files app or from the camera. The converted images files can be saved to file system and to the camera roll and can be copied to the clipboard or shared. You can preview them in order to check the file size and the quality, espicially when using compression. Fliff can also be called from the Share menu in other apps that provide images. Furthermore Fliff is also a photo editing extension, i.e. you can use it as a plugin in the edit mode of the Photos app. 
This app is freeware. It comes with absolutely no warranty. Use it at your own risk!