.XTR File

The xtr file extension is associated with Xtreamer, a series of media streamer and home theater devices developed by Xtreamer LTD.

The xtr file stores some kind of update data used for firmware actualization.

How to open:

It is likely that this file type is only used in Xtreamer.

How to convert:

Firmware files usually cannot be converted to anything else and there is also no reason to do so.