An application providing method includes steps of, after registering a packaged application in which files included in an application are packaged, extracting the packaged application such that the packaged application is separated from other packaged applications for each host, converting, in accordance with an execution platform of the packaged application, the extracted content to content for a web browser, and, when an application acquisition request including a host name is received from the web browser, providing content that belongs to the host indicated by the host name included in the application acquisition request.