Resize canvas to match an image in the canvas

Thanks for the follow up. I think this is one possible way I could have done it from the start. 

but, in this case, I was working with a web page and I had to copy the image to my clipboard, and then paste it. So I don't think there's any way to "start from my clipboard". It's just surprising that they wouldn't include this even in the "express" version of the software, I would think I should easily be able to resize my canvas, it could be a simple right click menu option to "fit canvas to image ", also starting from paste is another feature, in my opinion, they should be able to ship as $1 billion company, even to an express product intended for more simple use cases, I would argue my use case described is very simple. It's 2025 – I shouldn't have to save the file to my computer to then start from that source, especially given the fact that I was able to paste the image directly into the canvas to get started on this work. I know I'm nitpicking, but I'm just looking for the speed that the "express" label would imply as the user