One Photo Viewer

Easy to use photo viewer with a clean interface

Available for free with no ads, or get Pro version to support development and get two extra optional features, otherwise thay have same functionality. One Photo Viewer has many customization options and features such as slideshow, color adjustment, crop, resize, rotate, copy/paste clipboard, and more. All accessible by right click menu or keyboard shortcuts. It is also touchscreen compatible.


– Simple to use and customizable photo viewer
– Scroll through images with arrow keys or mouse buttons
– Select window border style Solid, Minimal or Auto hide
– Switch between black, white or transparent background
– Option to move and zoom entire window with mouse/touch
– Start a slideshow of images in a folder or drag-and-droped files

– Paste images from printscreen or other software
– Option to view toolbar and thumbnail panel (Pro)
– Crop, rotate, resize, adjust colors -> save or copy to clipboard
– View RAW formats, HEIC, WEBP (not guaranteed, see How To)
– View and convert to JPEG, PNG, TIFF or BMP
– Make GIF animation from loaded files

Free with no ads and a clean look.
Pro version have two extra optional feature, toolbar and thumbnails.
Easily crop or delete a section with right-click and drag.
Make all borders disappear.
Access everything from right-click menu. Press F1 for some quick help.
Set background transparent, black, white or arbitrary color.
Many ways to configure the look.
Dark or white theme and many other configurable options.
Available in many languages thanks to user translations.


One Photo Viewer