Is there a way to convert a video from iOS (QuickTime) format to Windows (WMV or AVI) format?
Videos recorded with iOS (your iPod 5) have the extension "MOV", but they are normal "MP4" (containing H.264 and AAC). Which means that you can change the extension to "MP4" and they will be playable on Windows.

In this case (recorded on iOS and with the extension "MOV") it is not necessary to convert these files. Same for "M4V" and "M4H" (other extensions which are used sometimes by Apple products on iOS).

There are two ways to change the extension of a file for Mac users:


Directly in the Finder


Select the file
Hit ENTER to edit the filename
Select the extension "MOV" (without ".")
Change the extension to "mp4"
Hit ENTER to exit editing

In the Finder information window


Select the file
Select "Information" in the File menu (or press CMD + I)
Select the extension "MOV" (without ".") in the field "Name &amp; Suffix"
Change the extension to "mp4"
Close the information window



Both ways will show a dialog to confirm the changed extension.

For Windows users, please read the help from Microsoft.

Uppercase or lowercase of the extension is the same, but I prefer lowercase.