SageThumbs - SageThumbs is a powerful shell extension allowing to preview enormous amount of image formats...
AI Img Enlarger - Enlarge Images Without Losing Quality Online
Context Viewer - Context Viewer is an explorer extension in the form of a Control Panel applet that lets you preview...
ON1 Resize - High quality photo enlargement up to 1000%.
Pictus - Pictus is a fast, free image viewer that enables Windows to see thumbnails of supported formats, such as PSD. Give it a spin today!
HitPaw Photo Enhancer - HitPaw Photo Enhancer helps upscale photos and improve image quality, try the software now to get the incredible effect.