IrfanView Shell Extension is a free software extension that enables Windows Explorer to access certain functions in IrfanView.

With the IrfanView Shell Extension, you'll have a range of new options available with just a right-click. Some of the available functions include opening images as thumbnails, converting images to other file formats, and even creating a slideshow of multiple images.
This extension is incredibly simple to install and use. Once it's installed, you'll notice the new options available immediately. You don't need to be a computer expert to take advantage of all that the IrfanView Shell Extension has to offer.
Whether you're a casual user or a power user who wants to save time and improve your workflow in Windows Explorer, the IrfanView Shell Extension is definitely worth trying out. Give it a shot and see how it can change the way you interact with your files and images.
Version 1.01: N/A