PicPicker is a Chrome extension developed by walnutzhang. It falls under the category of Browsers and is specifically categorized as an Add-ons & Tools. As the name suggests, this extension allows users to easily list and download all the pictures on a webpage, including images and backgrounds.

With PicPicker, users no longer have to struggle to save pictures that cannot be directly right-clicked and saved. This extension provides a convenient solution for downloading images that are otherwise inaccessible. Whether it's an image embedded in a webpage or a background image, PicPicker enables users to effortlessly grab these pictures and save them to their devices.

Overall, PicPicker is a useful tool for anyone who frequently needs to download pictures from webpages. Its simple interface and efficient functionality make it a valuable addition to the Chrome browser.