GQview is an image viewer for X windows. Features include single click file viewing, external editor support, thumbnail previews, thumbnail caching, and adjustable zoom. GQView has the ability to compare files and list similar or duplicate images based on content. Full screen view and slideshows allow for basic presentation of images. The program offers simple image file management with the ability to copy, move, rename, and delete files. Image collections, similar to a song playlist, are also supported.