I built a Chrome extension that downloads every image on a page — here's what I learned about Shadow DOM, CSS background

For three years I've kept a folder called _inspiration on my desktop, full of images I "saved as" while researching designs, products, or just browsing. About 60% of the time, "save image as" failed silently — the file would be a 1×1 transparent placeholder, or a low-res thumbnail, or just nothing because the image was a CSS background. I tried the popular image downloader extensions. They missed about half of what I wanted to save. They also bundled analytics. So I built my own, called Image Ha