Zoom Tool
From Roll20 Wiki
The Zoom Tool provides users with the ability to change how much or how little a user can see of the Page on the VTT. By default, the Page opens to 100% zoom for everyone and can then be controlled individually for each via several options:
- Toolbox Zoom Tool
- Zoom Control Buttons
- Scrollwheel
- + and - Keys as Keyboard Shortcuts
There is an option to change the default behaviour of the Scrollwheel to control Vertical and Horizontal Pan. This can be enabled through a checkbox under Game Settings (gear icon) in the Virtual Tabletop.