Glassmorphism Generator

Drag the sliders to design a frosted glass card and copy the CSS instantly.

Glass Card

โœ” 100% Freeโœ” No Signupโœ” No Watermarkโœ” Unlimited Use

Updated 2026-07-05 ยท Built and maintained by the MakeToolz team.

Design frosted glass in seconds

Glassmorphism is the frosted glass look you see across modern app dashboards and hero cards: a see-through panel that blurs whatever sits behind it. Getting it right in raw CSS means juggling a semi-transparent background, a backdrop-filter blur, a subtle saturation boost, a soft border, and a shadow. This generator wires all of those together for you.

Drag the sliders and the preview card updates the moment you move them. When it looks right, copy the CSS and paste it straight into your stylesheet. Everything runs in your browser, so nothing is uploaded and there is no wait.

How to Use the Glassmorphism Generator

  1. 1
    Drag the blur, transparency, and saturation sliders until the preview card looks the way you want.
  2. 2
    Tune the border radius and border opacity, then pick a tint color and a demo background.
  3. 3
    Watch the live preview to confirm the frosted effect reads clearly against the background.
  4. 4
    Click Copy CSS and paste the .glass rule into your stylesheet.

Why Use MakeToolz's Glassmorphism Generator?

Live preview

Every slider updates the frosted card instantly so you see the exact result before copying.

Correct shorthand

Emits background, backdrop-filter, border-radius, border, and box-shadow as clean, ready-to-paste CSS.

Includes -webkit prefix

Adds -webkit-backdrop-filter automatically so the blur works in Safari and older WebKit browsers.

Custom tint color

Pick any tint so the glass matches your brand instead of a plain white overlay.

Swappable backgrounds

Test your glass against several gradients and a dark scene to make sure it stays readable.

100% private

Runs entirely client-side in your browser with no uploads, sign-up, or tracking of your design.

Who Uses a Glassmorphism Generator and Why

Web designers, front-end developers, and UI hobbyists reach for a glassmorphism generator when they want the frosted glass look without hand-tuning five different CSS properties. The style shows up on login screens, pricing cards, music players, weather widgets, and dashboard panels, and it depends on a delicate balance of blur, transparency, and color. Getting that balance by trial and error in a code editor is slow, so a live tool that shows the result as you drag is far faster.

The main job people hire this tool for is speed and correctness. They want valid CSS they can paste into a stylesheet, they want the Safari prefix handled for them, and they want to preview the effect against a real background so they know it will read clearly in production. Students learning CSS also use it to see how backdrop-filter behaves and to reverse-engineer the frosted panels they admire on other sites.

What Each Setting Controls

  • Blur: How strongly the tool blurs whatever sits behind the panel; higher values look more frosted but hide detail.
  • Transparency: The opacity of the tint fill, so a lower value lets more of the background show through the glass.
  • Saturation: Boosts the colors seen through the blur, which makes the frosted effect feel richer and more convincing.
  • Border radius: Rounds the corners of the panel to match the soft, modern feel of the glass style.
  • Border opacity: Controls a thin light edge that catches the eye and separates the glass from its background.

How Glassmorphism CSS Works

The effect is built from layers. A semi-transparent background sets the tint and lets the scene behind bleed through. The backdrop-filter property does the real work, applying a blur and a saturation boost to the pixels behind the element rather than to the element itself. A one-pixel translucent border adds a light edge, and a soft box-shadow lifts the panel off the page so it reads as a floating pane of glass.

This generator assembles those layers into a single reusable class and mirrors them in the live preview so you can trust that the copied code matches what you see. The tool cannot guarantee the effect renders identically on every device, because backdrop-filter performance and support vary, and heavy blur on many stacked elements can slow down low-power phones, so always test on a real device before shipping.

Recommended Settings by Use Case

Use caseBlurTransparencySaturation
Login or auth card12 to 18px15 to 25%110 to 130%
Navigation bar8 to 12px10 to 20%100 to 120%
Hero panel over photo16 to 24px20 to 35%120 to 150%
Small badge or chip6 to 10px15 to 30%100 to 115%
Dark mode panel14 to 20px8 to 18%110 to 140%

Common Mistakes and Tips

The most common mistake is putting a glass element on a flat solid color and wondering why nothing looks frosted. Backdrop-filter only blurs what is behind the element, so it needs a gradient, image, or other content underneath to show any effect. Another frequent slip is cranking the blur so high that text on the card becomes hard to read, or setting transparency so low that the panel turns into a plain solid box and loses the glass feel entirely.

Keep contrast in mind for accessibility, and add a slightly more opaque fallback background for browsers that do not support backdrop-filter. If you are polishing a component, you can pair this with our box-shadow generator for the floating shadow, our border radius generator for the corners, and our hex to rgb converter when you need to convert a brand hex into the rgba tint by hand.

People Also Ask

What is glassmorphism in web design?

Glassmorphism is a UI style that makes elements look like frosted glass, using a blurred, semi-transparent background so the scene behind shows through softly.

What CSS property creates the frosted glass blur?

The backdrop-filter property with a blur value creates the frosted effect, because it blurs the pixels behind the element rather than the element's own content.

Do I need the -webkit-backdrop-filter prefix?

Yes, Safari and some older WebKit browsers require the -webkit-backdrop-filter prefix, and this generator includes it automatically alongside the standard property.

Why is my backdrop-filter not working?

The most common reasons are a missing prefix for Safari, no content sitting behind the element to blur, or a parent with a filter or transform that breaks the stacking context.

Is glassmorphism good for accessibility?

It can be if you keep strong text contrast, but heavy blur and low opacity can reduce legibility, so always check contrast ratios and test with real content.

Does glassmorphism slow down my site?

Backdrop-filter is GPU heavy, so a few glass panels are fine but stacking many blurred layers can hurt performance on low-power phones.

Can I use glassmorphism over a video background?

Yes, backdrop-filter blurs whatever is behind it, including a video, though animated blur is more demanding, so test performance on the devices you care about.

What is the difference between filter and backdrop-filter?

The filter property blurs the element itself, while backdrop-filter blurs the content behind the element, which is what produces the see-through frosted look.

Frequently Asked Questions

Why does my glass look solid instead of frosted?
There has to be content behind the element for backdrop-filter to blur. If the card sits on a plain flat color, lower the transparency or place an image or gradient behind it so the blur has something to work with.
Does backdrop-filter work in every browser?
It works in current Chrome, Edge, Firefox, and Safari. The generator includes the -webkit-backdrop-filter prefix for Safari, and you can add a slightly more opaque background as a fallback for very old browsers.
Can I use this glass over a photo?
Yes. Place the .glass element on top of an image and the blur will frost whatever pixels sit directly behind it. Photos usually look best with blur around 10 to 20 pixels.
Why should I add saturation to the blur?
A small saturation boost of about 110 to 130 percent makes the blurred colors behind the glass pop, which sells the frosted-glass illusion better than blur alone.

Related Free Tools

More Developer Tools

Browse all generators โ†’