A fast, secure, and minimalist C++ image viewer for Windows. It's a single ~82 KB executable with zero telemetry and broad image support.


opti is described as 'Simple, transparent media viewer' and is a Image Viewer in the photos & graphics category. There are more than 25 alternatives to opti for a variety of platforms, including Linux, Mac, Windows, Flathub and GNOME apps. The best opti alternative is nomacs, which is both free and Open Source. Other great apps like opti are qView, Gwenview, PureRef and Musebox.
A fast, secure, and minimalist C++ image viewer for Windows. It's a single ~82 KB executable with zero telemetry and broad image support.


Kuadro is an image viewer that allows you to open as many windows as you want, lay them out as you need them and store those layouts for later.
It was designed to stay out of your way, and work around you.

A no-nonsense hardware-accelerated image viewer. Oculante's vision is to be a fast, unobtrusive, portable image viewer with wide image format support, offering image analysis and basic editing tools.


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




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...




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.



An image viewer and browser utility - primarily for Linux Mint. Pix is part of the X-Apps project, which aims at producing cross-distribution and cross-desktop software.


Loupe is a modern image viewer designed for the GNOME desktop environment, offering fast GPU-accelerated rendering, image editing and metadata viewing. It replaced .



Lenscape is a macOS photo viewer software optimized for Apple Silicon. It allows users to view, manage, and customize their photos and videos in various modes like gallery, full screen, or thumbnail. Users can also select photos and videos to move, copy, trash, or share them.




LeafView is a lightweight, cross-platform image viewer with smooth zoom, folder browsing, and grid view, built with Electron and Leaflet.js.



Overlay2 is like digital tracing paper for your computer. It opens a semi-transparent floating image over video capture or editing software, or 3D modelling software, so you can use the image as a reference or positioning guide.


