Specialized viewers allow you to view the file in its true aspect ratio (4:3) without stretching it to fill a modern 4K or 1080p monitor.
feh (lightweight terminal-based viewer, perfect for small images)
Step-by-Step: Setting Your New Software as the Default Viewer
Known for its unique full-screen interface, FastStone is great if you want to compare multiple 128x96 images side-by-side.
Use the B key to open the batch conversion tool if you need to upscale your 128x96 images.
git clone https://github.com/example/jpg-128x96-viewer cd jpg-128x96-viewer make sudo make install