Facebook today announced several changes to its login tools. The first is called anonymous login and will allow people to log into apps using their Facebook credentials, but without sharing any of their personal data with the app in question. Facebook sees this as a way for users to try apps on a trial basis without giving up all their details right away. Facebook is beta testing anonymous login with developers right now and expects to roll it out to most users in several months. The second tool gives users granular control over exactly which details they share with an app when using Facebook login. For example, users will be able to share their email address but not their phone number or birthday if they want. The new Facebook Login also won't post to Facebook without permission. Facebook said it plans to review new apps that use Facebook login to make sure the apps are of high quality and won't take advantage of user details. The new Facebook login will roll out slowly over the coming months. Last, Facebook said it is creating a new dashboard so users can easily see what they've shared with various apps. The dashboard will display which apps have full access to their data, which have been logged into anonymously, and allow users to make changes on the fly. The redesigned app control panel will be rolling out over the next few weeks. The announcements were made during Facebook's f8 developer conference.