Input

Go into BattleScribe, and click "Save Roster":

BattleScribe Save and Save as HTML buttons

Then put the ROSZ/ROS/HTML (PRO TIP: .rosz or .ros is the better format here - .rosz doesn't always want to expand properly, but due to missing certain data fields, .html won't give you the full feature set, and is provided here as a legacy option only) file here and wait for a little bit (a few seconds, tops):

GIMME THEM BIG SHEETS

Output

You should get a prompt to download a PDF that looks something like this:

Output data roster example

Followed by a bunch of these:

Output data card example