It's FOSS - https://itsfoss.com/resize-images-with-right-click/
Brief: A Quick tip that shows how to resize images with right click menu in Linux quickly. The trick should work on any Linux distribution that uses Nautilus file manager.
As I often need to resize the image before uploading them on It’s FOSS, Shutter was my favorite tool for this task until now. Shutter is an excellent screenshot tool that allows some quick editing features. However, if you just need to change the size, length and width of an