The SWC extension is given to files that are associated with a platform for handling multimedia content on websites called Adobe Flash. SWC files are used to store archives in PKZIP format that contain a multimedia add-on for the website. These can be animations, movie clips, code files in the Action Script object-oriented programming language, or other components. SWCs are generated with Flash Builder. They are mainly used to distribute ingredients.

Adobe Flash is a technology that allows you to add dynamic and interactive elements to websites, developed by Adobe Systems Incorporated.