ImageGlass - You can use Image to view your digital images and photos of many different formats.
mat2 - mat2 is a metadata removal tool, supporting a wide range of commonly used file formats.
Fragment - A powerful image viewing suite with advanced metadata info
Scrambled Exif - Scrambled Exif (pronounced eggsif) helps you remove the metadata in your pictures before you share...
Universal Viewer - Universal Viewer is an advanced file viewer for wide range of formats. Supported file formats are:
ImagePipe - removes exif data and modifies images to reduce size before sharing.