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 Viewer 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 digiKam, nomacs, FastStone Image Viewer and qView.
Create lovely photo web galleries directly from your Photos library on Mac. Share the generated HTML output folder with your family and friends in any possible way – e.g., via your personal website or external storage.
Germany
EU
Free Online Image Editor and Converter. Supports 500 image formats. Has built-in clip-art library (public domain photos).
A native macOS app for viewing, editing, searching, and exporting EXIF, IPTC, and XMP metadata across 50+ image and video formats.
NetherlandsEU
Possibly the world’s smallest all-format image viewer. The portable archive is around 4M, yet it delivers complete image decoding for HEIC, AVIF, WebP, RAW, PSD and many more formats, with accurate color, fast response and a stable modern UI.
China
MediaExplorer is a Windows app for visually browsing local media files and folders without importing files into a library.
Canada
Effortlessly geotag your photos with kaida ("where" in Tatar). This universal app uses GPX track data to automatically add GPS coordinates to your images.
Russia
Fast, GPU-accelerated image viewer for Windows. Opens RAW, HEIC, AVIF, JPEG XL, WebP and 40+ formats instantly, with editing, conversion and slideshows.
United States
