Resolvers are the tools that get specific information based on their email, username and IP addresses as well. There’s different type of resolvers which perform various specific operations like resolving skype username to IP, email to IP. Skype resolver working is really simple that every non-tech user can easily use it. This tools isn’t an official skype distribution. It’s an external skype resolver that is used to find the IP anyone’s skype email or usernames and vise versa.