nibUIScale allows you to set different UI Scales across multiple accounts and characters on the same PC.
/nibuiscale - Displays a list of available commands.
/nibuiscale account - Displays the current Account UIScale. This is the UIScale that all Characters on a given Account will use by default.
/nibuiscale account UIScale - Sets the Account UIScale. Can be any value between 0.64 and 1.
Example: /nibuiscale account 0.75
/nibuiscale character - Tells you which UIScale the current character is using (either Character or Account) and displays the UIScale value.
/nibuiscale character UIScale - Sets the Character UIScale and makes the current character use the Character UIScale. This allows you to set individual characters to use a different UIScale then the Account UIScale. Can be any value between 0.64 and 1.
/nibuiscale character off - Makes the current character use the Account UIScale.