FastStone Image Viewer is a fast, stable, user-friendly image browser, converter and editor. Developed by FastStone Soft
License: Free Personal
ImageGlass is a lightweight and fast image viewer with a focus on simplicity and ease of use, making it ideal for quick viewing of images. In contrast, FastStone Image Viewer offers a more comprehensive set of features, including advanced editing and batch processing, making it suitable for users needing more robust image management and editing capabilities.