An electronic device with one or more processors and memory displays a web page in a web browser and detects a user input to extract data from the web page. In response to detecting the input, the device: identifies multimedia items by analyzing source code of the web page; categorizes the multimedia items into multimedia types; and replaces the web page with displaying a user interface for the multimedia items, including: a first region with a first icon corresponding to a first plurality of multimedia items of a first multimedia type and a first set of affordances for performing operations with the first plurality of multimedia items; and a second region with a second icon corresponding to a second plurality of multimedia items of a second multimedia type and a second set of affordances for performing operations with the second plurality of multimedia items.