XnView is an efficient image viewer, browser and converter for Windows.
This software is really simple to use and totally free for personal use. It supports more than 500 image formats! No Adware, No Spyware
XnView lets you read about 500 formats (including Multipage and animated still formats APNG, TIFF, GIF, ICO,etc..). Some formats may require Plug-ins
XnView also provides a convenient Screen Capture module and Windows ™ TWAIN & WIA interface to capture images.
XnView allows you to process your images with an arsenal of editing tools: