XnView Portable

Portable image viewer and organizer with basic editing tools and wide format support on USB

Excellent application that easily enables file reduction for transmission

Free tool to view, convert, and print HEIC photos, integrate them into Explorer and Office

Lets you make slideshows and add great effects

Lightweight, blazing-fast image viewer with minimal interface, wide format support, and handy basic editing tools

Application that allows users to view PowerPoint presentations

A versatile, open-source image-processing program for Mac and Windows