PicView is a fast and Open Source Image Viewer for Windows, with configureable interface and image galleries.

Portable, free to use. No pop-ups, no installtation required, no registry edits or system files changed.

If you have 7-Zip or WinRAR installed, you can view images inside archives, such as .zip, .rar, etc, and comic book archives (.cbr, .cb7, .cbt, .cbz, .cba).

Switch between image scaling modes;

Pressing 1 Centers the image in the window, while retaining the image's original size.
Pressing 2 Also centers the image in the window, but the image will be stretched to window height, while retaining aspect ratio.

Pressing 3 enables the auto window sizing feature. It will resize the window to the image's size, while keeping the window centered.
Pressing 4 also enables the window sizing feature, but the image will be stretched to the monitor's height, while retaining aspect ratio.

Slideshow F11 with adjustable timer in the Settings window F4.

Integrated color tool to quickly pick a color from the shown image.

Quickly crop images by pressing C.

Drag and drop from files Windows explorer or your browser. You can also hold Ctrl to drag currently viewed image to your file system.

A choice between dark theme and light theme can be found in the settings menu F4, along with 12 highlight colors to choose from.

Looking for translators!

I am just a single developer working on this in my spare time. So if you like what I have created please star it to show your support, as it would motive me to keep working on it!
Feedback and questions are always appreciated. Create an issue or take a look at an existing one if you want to report a bug or request a feature, or have something on your mind! 😊