Apps similar to NX Studio include IrfanView, which is free for personal use. Other options are XnView MP, ImageGlass, nomacs and FastStone Image Viewer. Image Viewers like NX Studio are a crowded field, with more than 100 alternatives for Windows, Mac, Linux, iPad and iPhone.
Eye of GNOME is the official image viewer for the GNOME Desktop environment. With it, you can view single image files, as well as large image collections. The Eye of GNOME supports a variety of image file formats.
United States
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.
Diffractor unifies managing photo, video and audio files. If you centralize media on that trusty old PC; let Diffractor do the heavy lifting.
Australia
All-in-one photo editor offering organized asset management, advanced RAW processing, detailed layers and masks, HDR monitor compatibility, AI-powered tools for editing, integrated video editor for trimming, flexible culling options, and print creation features.
Czechia
EU
Waterfall-style image viewer for macOS, offering a smooth and immersive browsing experience.
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.
Japan
PhotoQt is a fast and simple, good looking, yet powerful and highly configurable image viewer.
GermanyEU
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.
GermanyEU
Universal Viewer is an advanced file viewer for wide range of formats. Supported file formats are:
Russia
Plug in your memory cards and start picking winners and deleting rejects almost instantaneously. Move from image to image without that annoying rendering delay. Add dynamic caption, copyright, and keyword information individually or in batches.
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...
United Kingdom
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.
Russia
