CSS zoom Playground - Interactive Lab | IconVault
Compare CSS zoom vs transform: scale side by side with live layout measurements. Free interactive lab that runs fully in your browser.
CSS zoom Playground
zoom vs transform: scale, measured live side by side
Zoom factor
1.5xHow to read this
The teal box is the target in both lanes. With zoom it grows in the layout and pushes its neighbor. With transform: scale it only looks bigger: layout measurements do not change.
5 of 5 free copies left. Everything runs in your browser.
CSS zoom (layout-affecting)
Target layout width
0px
Neighbor x position
0px
Base box width
110px
Growth vs base
-110px
transform: scale (visual only)
Target layout width
0px
Neighbor x position
0px
Visual width (approx)
165px
Layout growth
0px
.card {
zoom: 1.5;
}
/* zoom is layout-affecting:
the element keeps its place in flow,
siblings reflow around the new size.
Now baseline in all modern browsers. */.card {
transform: scale(1.5);
transform-origin: center;
}
/* transform never affects layout:
offsetWidth stays 110px and siblings
do not move; the box may visually overlap. */Rule of thumb
Use zoom when the enlarged element should reserve real space (accessible text resizing, print-friendly scaling). Use transform: scale for hover effects and animations where layout must not jump. Note: zoom is not inherited by default in the same way as transform, and it composes with transforms (zoom applies first).
About this tool
IconVault's CSS zoom Playground is a free, interactive lab that shows exactly what the CSS zoom property does to your layout, next to transform: scale() for comparison. Drag the zoom slider and watch live measurements: zoom grows the element inside the document flow and pushes its siblings, while scale only paints bigger and leaves layout untouched. It is free and runs fully in your browser, nothing is uploaded.
Use it to decide which technique fits your task. Zoom is the right call for accessible text resizing and print-friendly scaling where the element must reserve real space. Transform scale is better for hover effects and animations where layout must not jump. Every snippet on the page is copyable, so you can paste the exact CSS into your project.
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