What are some alternatives?
When comparing IrfanView and XnView MP, you can also consider the following products
JPEGView - JPEGView is a small and fast viewer/editor for JPEG, BMP, PNG, GIF and TIFF images.
FastStone Image Viewer - FastStone Image Viewer is a fast, stable, user-friendly image browser, converter and editor.
Photoscape - high quality photo editing software, that enables you to fix and enhance photos.
nomacs - nomacs is a free, open source image viewer, which supports mu
ImageGlass - You can use Image to view your digital images and photos of many different formats.
ACDSee Photo Studio - ACDSee becomes ACDSee Photo Studio — ACDSee Photo Studio Standard 2018 continues the ACDSee legacy