Preview and generate CSS opacity styles easily. Adjust the transparency level of elements from 0 (fully transparent) to 1 (fully opaque) with a live demo and one-click CSS code output.
Adjust the controls below to see how opacity affects your elements and get the corresponding CSS code.
Instantly see how different opacity levels affect your element.
Use a simple slider to adjust opacity with 0.01 precision.
The tool generates ready-to-use `opacity: value;` code as you adjust.
Copy the generated CSS code directly to your clipboard.
Useful for designing hover effects, overlays, or UI transparency.