Sorry, but this online tool no longer works, because da microsoft's bastards stopped da service - no API

Skype User Status Detector

Skype Status Checker - Check the status of a Skype user. View if a Skype user is online or offline. Use this free tool to check the status of a Skype user. Remember that the user has to be enabled the privacy option "Allow my online status to be shown on the web"(this is by default), else the output will always be "Unknown" or "Offline". The available status messages are: Unknown, Offline, Online, Away, Not Available, Do Not Disturb, Invisible and Skype Me.

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