IrfanView is a fast and simple image viewer and editor that supports all major graphic formats, including BMP, DIB, JPEG, GIF, animated GIF, PNG, PCX, multipage TIFF, TGA, and more.
It’s one of the best image viewer available.

Note: IrfanView is free for personal use; the registration fee for commercial use is $10.

Here are some key features of “IrfanView”:

· Many supported file formats
· Multi language support
· Thumbnail/preview option
· Slideshow (save slideshow as EXE/SCR or burn it to CD)
· Show EXIF/IPTC/Comment text in Slideshow/Fullscreen etc.
· Support for Adobe Photoshop Filters
· Fast directory view (moving through directory)
· Batch conversion (with image processing)
· Multipage TIF editing
· Email option
· Multimedia player
· Print option
· Change color depth
· Scan (batch scan) support
· Cut/crop
· IPTC editing
· Effects (Sharpen, Blur, Adobe 8BF, Filter Factory, Filters Unlimited, etc.)
· Capturing
· Extract icons from EXE/DLL/ICLs
· Lossless JPG rotation
· Many hotkeys
· Many command line options
· Many PlugIns
· Only one EXE-File, no DLLs, no Shareware messages like “I Agree” or “Evaluation expired”
· No registry changes without user action/permission!