There are several keyboard shortcuts that can be used in BioRender to help make it easier to create illustrations.

BioRender Keyboard Shortcuts
Save image - Command + S (Mac) / Control + S (PC)
Select all objects (text, icons, shapes) in image: Command + A (Mac) / Control + A (PC)
Copy selected object - Command + C (Mac) / Control + C (PC)
Cut selected object - Command + X (Mac) / Control + X (PC)
Paste Copied object - Command + V (Mac) / Control + V (PC)
Undo last action - Command + Z (Mac) / Control + Z (PC)
Redo last action - Shift + Command + Z (Mac) / Shift + Control + Z
Multiple select / add object to selection - Hold Shift + Click multiple objects
Constrain movement of object to horizontal / vertical / 45 deg. angle - Shift + Drag object
Constrain line angle to horizontal / vertical / 45 deg. angle - Shift + Drag end of line
Group/ungroup selection of icons - Command + G (Mac) / Control + G (PC)
Duplicate icon from an icon on the canvas - Alt + click and drag icon