Esuit is a popular browser extension and tool suite designed to help users download photos, videos, and entire albums from Facebook efficiently. The legitimate version is typically available through the Chrome Web Store or official developer sites, often operating on a "freemium" model or requiring a subscription for bulk features. Do "Cracks" Actually Work?
Searching for a "crack" for software like ESUIT Photos Downloader for Facebook
That said, here is a basic conceptual guide on how you might approach building a tool to download public photos from Facebook, keeping in mind the need for authorization and respecting privacy: