ImgV64 is described as 'Windows Vista/Win7/Win8/Win10 graphics viewer for GIF, JPG, PNG and other formats. It is designed for those who want a solid, easy viewer but who still want powerful features, without the complexity of a complete paint or thumbnailing program' and is an app in the Development category. There are more than 25 alternatives to ImgV64 for a variety of platforms, including Windows, Linux, Mac, Xfce and PortableApps.com. The best alternative is IrfanView. It's not free, so if you're looking for a free alternative, you could try JPEGView or qView. Other great apps like ImgV64 are XnView (Free Personal), Preview (Free), Gwenview (Free, Open Source) and Imagine (Free).
Imagine is an Image & Animation Viewer for Windows with screen capture function. Features - View and save image/animation files with very fast speed - Support for numerous image/animation file formats: GIF, BMP, PNG, JPG, TIF, TGA, PCX, ICO, ANI, FLI, and many more...
Eye of GNOME is the official image viewer for the GNOME Desktop environment. With it, you can view single image files, as well as large image collections. The Eye of GNOME supports a variety of image file formats.
You can use the Photos app to view or edit photos and videos in your Pictures library and on OneDrive, and to import photos and videos. The Photos app includes a wide range of editing options to enhance your photos, from automatic fixes to advanced adjustments.
QuickViewer is a graphic image viewer for comfortable browsing of many images. This software performs reading of image data in advance. And drawing the imported image data on the screen with OpenGL. You can browse images with much smoother response than ever before.