Originally Posted by Lance Corrimal
but autodesk isn't, or is it?
The Autodesk FBX converter that I was referring to (and which can be downloaded here: Autodesk - Autodesk FBX - FBX Plug-Ins, Converter, and QuickTime Viewer Downloads
), is a freestanding application, not a plugin. (The same page also has a bunch of plugins for commercial apps.)
(ETA: I've just checked, you need to convert from OBJ to FBX, and then again from FBX to DAE, it doesn't do straight OBJ -> DAE conversion. Haven't re-tried the upload.)