Glass Generator

What is a Glassmorphism Generator?

A glassmorphism generator is an online CSS tool that produces frosted-glass UI effect code by combining backdrop-filter: blur(), semi-transparent backgrounds, and a subtle border. Adjust the sliders to preview the effect live, then copy the ready-to-use CSS into your project.

How to Use the Glassmorphism Generator

1. Adjust the Blur slider to set how strongly the background behind the element is blurred (0–40px).
2. Set Transparency to control how see-through the element's background colour is (0 = fully transparent, 1 = fully opaque).
3. Use the Saturation slider to boost or reduce colour vibrancy in the blurred area.
4. Adjust Outline Opacity to control the visibility of the white border that gives the glass edge its definition.
5. Pick a Base Color using the colour picker — white or light pastels work best for classic glassmorphism.
6. Click the copy button on the code panel to copy the complete CSS to your clipboard.

Common Use Cases

• Hero section cards with a frosted overlay on a colourful or photographic background.
• Navigation bars with glass transparency for modern SaaS and landing page designs.
• Modal dialogs and sidebars that maintain visual context through the blur effect.
• Dashboard widgets and stat cards in admin UIs built with React or Vue.
• Mobile app UI prototypes targeting iOS-style design aesthetics.
• Portfolio and creative agency websites where visual depth is a key design goal.

Why Use an Online Glassmorphism Generator?

Glassmorphism requires layering several CSS properties — backdrop-filter, -webkit-backdrop-filter, rgba() backgrounds, and border opacity — each of which interacts with the others in non-obvious ways. Tweaking them manually in DevTools is slow and the results are hard to predict without a live background to blur against. This generator provides an animated, colourful test background so you can see exactly how your chosen values will look in context, then hands you production-ready CSS with the vendor-prefixed -webkit-backdrop-filter included for Safari compatibility.

Frequently Asked Questions

Does glassmorphism work in all browsers?

The backdrop-filter property is supported in Chrome, Edge, Safari, and Firefox (since version 103). Internet Explorer has no support. The generator includes -webkit-backdrop-filter for older Safari versions. Always test your implementation across target browsers, as performance can vary on lower-powered devices due to the GPU compositing cost of blur effects.

Why does my glass effect look different on a white background?

Glassmorphism requires a colourful, varied background to show the blur effect — blurring a plain white background simply looks like a white panel. The effect is most striking when there are distinct colours or gradients behind the element. If your page background is plain, consider adding a gradient, image, or the animated blob pattern used in this generator.

What is the ideal blur value for glassmorphism?

A blur of 12–20px combined with 50–70% transparency tends to produce the most balanced glass effect — blurred enough to diffuse the background, but transparent enough to let colours show through. Very high blur values (above 30px) can look overly frosted and obscure the depth cue that makes glassmorphism distinctive.

Related Tools

Explore more free developer tools: Color Converter — find the perfect RGBA values for your glass colour. Unit Converter — convert pixel blur values to other CSS units as needed.