FastStone Image Viewer has excellent features, including image viewing, management, comparison, red-eye removal, emailing, resizing, cropping, retouching, and color adjustments. Its innovative but intuitive full-screen mode provides quick access to EXIF information, thumbnail browser, and major functionalities via hidden toolbars that pop up when your mouse touches one of the four edges of the screen.
Other features of FastStone Image Viewer include a high-quality magnifier and a musical slideshow with 150+ transitional effects and lossless JPEG transitions, drop shadow effects, image annotation, scanner support, histogram, and much more. It supports all major graphic formats (BMP, JPEG, JPEG 2000, animated GIF, PNG, PCX, PSD, EPS, TIFF, WMF, ICO, and TGA) and popular digital camera RAW formats (CRW, CR2, NEF, PEF, RAF, MRW, ORF, SRF, ARW, SR2, RW2, and DNG).
Image browser and viewer with a familiar Windows Explorer-like user interface
Support of many popular image formats
Actual Full-Screen viewer with image zoom support and unique fly-out menu panels
Crystal-clear and customizable one-click image magnifier
Eleven re-sampling algorithms to choose from when resizing images
Image color effects: grayscale, sepia, negative, Red/Green/Blue adjustment
Image special effects: annotation, drop shadow, framing, bump map, sketch, oil painting, lens
Draw texts, lines, highlights, rectangles, ovals, and callout objects on images
Clone Stamp and Healing Brush
Superior Red-Eye effect removal/reduction with an utterly natural-looking result
Multi-level Undo/Redo capability
One-touch best fit/actual size image display support
Print images with full layout control
Create fully configurable Contact Sheets
Supported OS: Windows 11, Windows 10, Windows 8.1, Windows 7
RAM (Memory): 2 GB RAM (4 GB recommended)
Free Hard Disk Space: 200 MB or more