Registering URL Protocols

By Deane Barker on January 5, 2004

Registering an Application to a URL Protocol: Here’s a handy note on how to register a new URL protocol to an application in Windows.

Adam did it with Zempt — a URL starting with “zempt://” will start that app and pass it a bunch of information. I always wondered how he did it, and I finally got curious enough to go looking.

This is also handy to debug why a certain application isn’t the default app for mail or Web or whatever. I couldn’t get Outlook to give up the “mailto” protocol for anything. However, even the mighty Outlook can’t stand in the face of an blithering idiot and his ability to change raw registry entries.



  1. I’m looking for a way to do this in Firefox or Safari in the Mac OS X 10.3 environment. Any ideas, folks?

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