MassCat | Bulk Categorization is an indispensable tool for anyone needing to create bespoke collections of products without relying on predefined automatic rules. This app empowers users to craft custom-made collections quickly by simply pasting a list of product SKUs into its user-friendly interface. Designed for efficiency, MassCat allows the simultaneous addition of thousands of products to multiple collections, saving users significant time and effort. Users can input SKU lists easily from various sources, whether it be Excel, Word, or any text editors, thanks to its versatile input format that accommodates commas or line breaks. Once the SKUs are pasted, users can effortlessly select their desired manual collections and validate the process in just a few clicks. MassCat streamlines the categorization process, making it an essential app for businesses aiming to manage their product collections with precision and ease.