PicView is an Open Source Image Viewer for Windows, designed to be easy to use.

It is built to quickly and efficiently browses through images supporting all common file formats, including .heic, .psd, .png, .jpg & RAW camera image files.

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Features:

View file support

HLSL Image Effects

Batch Resizing Tool Beta

View shortcuts

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.

The interface can be toggled to just show the image by pressing Alt + Z.
For images with a transparent background, the background can be changed to a checkerboard background, a dark background or a white background by pressing T.

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

You can Change how the application sorts through the files from the context menu.

Copy Ctrl + C, Move Ctrl + X, Paste Ctrl + V images, file paths, web addresses or base64 images.

Image rotation by pressing Up, Down || W, S.

Flip image back and forth (horizontally) by pressing F.

View and access most recent files in the contextmenu, including ones from web addresses.

Quickly crop images by pressing C.

Toggleable scroll function by pressing X
Scroll function supports auto scroll, by middle mouse clicking.

Rename/move files F2, for easy file management of photos/images.

The file name can be renamed or moved right in the title bar!

Fullscreen Image Gallery:

View all files in current folder as a fullscreen thumbnail gallery, where you can quickly scroll to desired image.

Contained Image Gallery:

View all files in current folder as a thumbnail gallery, with custom animations.

Contributions

Coming soon!

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! 😊