Systems, methods, and software can be used to share content. In some aspect, a first user input for copying a content is received at a first application on a mobile device. A token that is associated with the content is generated. A Uniform Resource Identifier (URI) is sent from the first application to a clipboard application. A second user input for pasting the content is received at a second application on the mobile device. The token is received at the second application from the clipboard application. A request for the content is received from the second application. The request includes the token. Whether the second application is authorized to receive the content is determined at the first application. In response to determining that the second application is authorized to receive the content, the content is provided to the second application.