EdgeView is an image viewer. Image files can be opened as well as archive files such as ZIP and RAR in its built-in file browser without extraction. Files can be opened thru FTP directly.




IrfanView is described as 'Fast and powerful image viewer, editor, and converter for beginners and pros. Supports various formats, batch processing, and many extensions' and is a leading Image Viewer in the photos & graphics category. There are more than 100 alternatives to IrfanView for a variety of platforms, including Windows, Mac, Linux, Flathub and Web-based apps. The best IrfanView alternative is XnView MP. It's not free, so if you're looking for a free alternative, you could try XnView MP or nomacs. Other great apps like IrfanView are FastStone Image Viewer, XnView Classic, JPEGView and qView.
EdgeView is an image viewer. Image files can be opened as well as archive files such as ZIP and RAR in its built-in file browser without extraction. Files can be opened thru FTP directly.




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.



Xee is an streamlined and convenient image viewer and browser. It is similar to macOS's Preview.app, but lets you easily browse the entire contents of folders and archives, move and copy image files quickly, and supports many more image formats.



GraphicConvertor is an image viewer & convertor that converts images between many formats and retouches, edits, and transforms them using tools, effects and filters. It supports a batch and slideshow mode, image browser, and access to metadata.

Very powerful batch, flexible browsers; metadata editing and searching; famously long list of supported image formats; basic editing tools; excellent support (same day response from developer in our experience); reasonable price.





ToolThump is a collection of practical, no-nonsense utilities built on a simple principle: your data should stay in your hands.



Fragment is an image viewer with cool features like: Upload and Share, HUD User Interface, Peeking and Skimming, Animated GIFs, History, Thumbnails, Fill View and it is fast!
Features:



Imaginario is an open-source, cross-platform photo manager for the desktop with a version optimized for mobile devices running Ubuntu. It features built-in filterable search, great tagging with hierarchical categories and automatic face-tagging and more.




Designed to be a comprehensive image viewer, Tacent View supports TGA, PNG, APNG, EXR, DDS, GIF, HDR, JPG, TIFF, ICO, WebP, and BMP files. Uses Dear ImGui, OpenGL, and Tacent. Useful for game devs as it displays information like the presence of an alpha channel and querying...




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.




FlashView is a fast photo viewer for Windows. Open a folder and scroll through tens of thousands of RAW and JPEG photos instantly — no catalog, no import, no waiting. Rate with a single keystroke (stars, color labels, pick/reject), one at a time or hundreds at once.



Vast range of functions, very fast, scriptable, excellent support, reasonable price. If this isn't enough you need to code your own.