Z-Index Calculator
Visualize CSS z-index stacking order and resolve layering conflicts between elements
Layers
CSS Output
.sidebar { z-index: 10; }
.header { z-index: 100; }
.modal { z-index: 1000; }Stacking Order
Top = highest z-index (rendered on top). Bottom = lowest.
Modalz-index: 1000top
Headerz-index: 100
Sidebarz-index: 10
Visual Stack
Modal (1000)
Header (100)
Sidebar (10)
Common Z-Index Values
Dropdown menu1000
Sticky header100
Modal backdrop1040
Modal dialog1050
Tooltip1070
Toast / notification1080
Frequently asked questions
What does Z-Index Calculator do?
Visualize CSS z-index stacking order and resolve layering conflicts between elements
What should I check in the result?
Preview the result with your actual content and at different screen sizes. Check readability and compatibility in the browsers you support.