What this generates
This page generates a hover-triggered before/after image crossfade (no dragging). The after image sits absolutely positioned on top of the before image at opacity 0, then fades to opacity 1 on:hover via a CSS transition.
Change the fields above and the output updates live -- copy it once you're happy with the result.
Related tools
See the Image Comparison Slider Snippet Generator for a related effect.
Frequently Asked Questions (FAQ)
What does this generator actually output?
It generates a hover-triggered before/after image crossfade (no dragging). The after image sits absolutely positioned on top of the before image at opacity 0, then fades to opacity 1 on:hover via a CSS transition.
Does this send anything to a server?
No. The snippet is built in your browser from the fields you fill in. Nothing is uploaded, logged, or sent anywhere.
Can I use this output directly in production CSS?
Yes -- copy the output into your stylesheet or component. Adjust class names and selectors to match your project's naming, since the generated selectors are generic placeholders.
