


gThumb is described as 'Image viewer and browser for the GNOME Desktop. It also includes an importer tool for transferring photos from cameras' and is a very popular Image Editor in the photos & graphics category. There are more than 100 alternatives to gThumb for a variety of platforms, including Windows, Mac, Linux, Flathub and Flatpak apps. The best gThumb 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 gThumb are ImageGlass, nomacs, FastStone Image Viewer and XnView Classic.







This is a Free & Fast Image Viewer and Editor for Windows. There are many tools around doing that, but the aim of this Freeware is to be a small and handy tool doing what it says and running also as a standalone exe file (installer not necessary).




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...




I realized I was spending a lot of time waiting for JPEGs to open, and the default viewer on my system wasnt really hot with large files. I take a lot of digital camera pictures, and viewing a few megapixels in a web browser is ugly.
Hardware accelerated image viewer and image sequence player. It supports a large variety of formats, including many camera RAW images.


µPhotos is a fast OpenGL-based cross platform immersive photo viewer and organizer. Here is a list of features, that make µPhotos special:

Electro is a blazingly fast image viewer built with Rust, featuring an integrated terminal for enhanced productivity.

Edit photos using a broad set of effects, templates, watermarks, and ISO editing features; adjust size, zoom, color, shape, brightness, crop, and batch process images; use undo/redo, history, and intuitive controls for precise image enhancements.




Imagot is an image viewer which aims to provide an open source alternative to Microsoft Photos or similar apps (and be multiplatform). It supports common image file types such as PNG, JPEG, SVG, etc.




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.




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

