Banners Screenshots is a free add-on and tool available for the Chrome platform. Developed by gieroj, this program allows users to predefine and capture screenshots of ad sizes on websites.

With Banners Screenshots, you have the ability to choose the position and size of the screenshots you want to capture. Whether you're designing ads with double click in mind or simply want to capture specific ad sizes for reference, this tool has you covered.

One of the great things about Banners Screenshots is that it works on every website, including localhost. This means you can easily capture screenshots of ad sizes regardless of the platform you're working on.

Additionally, the program offers the option to define your own region on a website where you want to capture the screenshot. This gives you the flexibility to focus on specific areas of a webpage and capture the ad sizes that are most relevant to your needs.

Overall, Banners Screenshots is a valuable tool for anyone involved in ad design or website development. Its user-friendly interface and versatile features make it a must-have for capturing and predefining ad size screenshots.