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Glassmorphism Generator
Tune blur, tint and highlight borders to build a frosted-glass card in CSS.
Tool Panel
About Glassmorphism Generator
Tune backdrop blur, saturation, tint opacity and the highlight border; the preview sits on a colourful backdrop because a flat one hides the effect. The output carries the -webkit- prefix so Safari works too.
- 1
One card style out of five parameters: tint colour and opacity, blur (0–40px), saturation, border brightness and corner radius — five CSS declarations in one block.
- 2
It emits **both `backdrop-filter` and `-webkit-backdrop-filter`**: Safari 16 still only honours the prefixed form, and without it Apple devices fall back to a plain translucent panel.
- 3
Frosted glass is fundamentally "blurring what is behind": the preview deliberately puts two coloured blobs back there, because with a solid colour behind it `backdrop-filter` looks like it did nothing.
- 1
Move the four sliders
Blur and saturation set the texture, tint opacity sets the transparency, and border brightness keeps the edge readable on dark backgrounds.
- 2
Watch the preview
The coloured blobs are the content behind the card; judging the change against them is the clearest feedback.
- 3
Copy the whole block
Five declarations including the prefix, ready for your card selector.
The two usual causes: (a) the element sits on a flat colour, so there is nothing to blur; (b) an ancestor carries `filter`, `transform` or `backdrop-filter`, creating a stacking context that makes the inner `backdrop-filter` fail in some browsers. Also check that your build did not strip the prefix — this tool generates the `-webkit-` line for you.
The panel degrades to a translucent background — `background: rgba(...)` still applies, it simply is not blurred. That is why tint and blur are separate parameters here: on an unsupporting browser the content stays readable.
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