ImageFan Reloaded is a cross-platform, feature-rich, tab-based image viewer, supporting multi-core processing.




Unifie is described as 'Fast, thumbnail-focused image viewer with dual viewing surface that lets you see two folders of images side-by-side for easy comparison' and is a Image Viewer in the photos & graphics category. There are more than 100 alternatives to Unifie for a variety of platforms, including Windows, Mac, Linux, Flathub and Flatpak apps. The best Unifie alternative is IrfanView. It's not free, so if you're looking for a free alternative, you could try IrfanView or XnView MP. Other great apps like Unifie are nomacs, FastStone Image Viewer, XnView Classic and qView.
ImageFan Reloaded is a cross-platform, feature-rich, tab-based image viewer, supporting multi-core processing.




QuickViewer is a graphic image viewer for comfortable browsing of many images. This software performs reading of image data in advance. And drawing the imported image data on the screen with OpenGL. You can browse images with much smoother response than ever before.




Universal Viewer is an advanced file viewer for wide range of formats. Supported file formats are:




feh is an X11 image viewer aimed mostly at console users. Unlike most other viewers, it does not have a fancy GUI, but simply displays images. It is controlled via commandline arguments and configurable key/mouse actions.



Geeqie is a free open software image viewer and organiser program for Linux, FreeBSD and other Unix-like operating systems.



NX Studio is a computer software that allows users to enjoy the viewing, processing, and editing of still images and video, and provides more intuitive operation.



Seamlessly browse and share images directly from your menu bar application, with support for tagging, searching, and drag-and-drop functionality. Experience full keyboard control and effortless integration with the pasteboard, enabling automatic image collection and streamlined workflows.



Vipsdisp can display huge (many, many gigabyte) images quickly and without using much memory. As well as the usual PNG, JPG, TIF, PDF, SVG, WEBP, JP2, JXL and GIF, it supports many scientific and technical image formats, including SVS, MRXS, OpenEXR, FITS, Matlab, NIfTI...




Allows you to make thumbnails (caps, previews, screen-lists) and screenshots of video files. The utility can be used for home-video cataloging and for network video sharing support.



View directly, image pinning, diverse formats, and EXIF information. Optimized for viewing long images, the perfect mac platform image viewer.




Xviewer is a simple image viewer which uses the gdk-pixbuf library. It can deal with large images, and zoom and scroll with constant memory usage. Its goals are simplicity and standards compliance. Xviewer is installed by default in Linux Mint.


