CSS Filter Generator — Free Online Tool

Use the CSS Filter Generator to visually build blur, brightness, contrast, grayscale, hue-rotate, invert, saturate, sepia, and drop-shadow effects — then copy the exact filter CSS in one click.

How It Works

The CSS Filter Generator maps each slider directly to a CSS filter function — moving the Blur slider updates blur(), moving Saturate updates saturate(), and so on — and combines every active value into a single filter property in real time.

Each function accepts a specific unit: blur() uses pixels, hue-rotate() uses degrees, and the rest (brightness, contrast, grayscale, invert, saturate, sepia) use percentages. The generator writes these in the correct order and syntax automatically, so the output is ready to paste into any stylesheet without manual editing.

filter is supported in all modern browsers, including Chrome, Firefox, Safari, and Edge. No vendor prefixes are required for current browser versions.

When to Use a CSS Filter

• Image treatments without editing software — apply a grayscale, sepia, or brightness adjustment directly in CSS instead of pre-processing every image in Photoshop, useful for hover states, disabled states, or theme-wide image styling on a WordPress site.
• Consistent visual effects across a site — define one filter value (or a small set of presets) and reuse it across galleries, product images, or featured images, so the effect stays consistent as content is added.
• Hover and interaction effects — combine a base filter with a :hover filter change (e.g. grayscale at rest, full color on hover) for a common, lightweight interaction pattern that needs no JavaScript.

Frequently Asked Questions

What is the CSS filter property?
The CSS filter property applies graphical effects — such as blur, brightness, contrast, or grayscale — directly to an element using CSS, without editing the underlying image file. Multiple filter functions can be combined in a single declaration, and they render live in the browser.

Does CSS filter work in all browsers?
filter is supported in all current major browsers, including Chrome, Firefox, Safari, and Edge, with no prefixes needed. Older versions of Internet Explorer do not support it, but this is no longer a practical concern for modern site builds.

What’s the difference between filter and backdrop-filter?
filter applies an effect to an element and its own content, while backdrop-filter applies the effect only to the area behind an element, letting content beneath show through with the effect applied. They’re separate CSS properties and are commonly combined — for example, a blurred glass-style panel uses backdrop-filter, while a dimmed image uses filter.

Can I apply multiple filters at once?
Yes — CSS filter accepts multiple functions in one declaration, separated by spaces, and they apply in the order written. The CSS Filter Generator combines every active slider into a single filter value automatically, so no manual chaining is needed.

How do I add a drop shadow with CSS filter?
The drop-shadow() function inside filter takes a horizontal offset, vertical offset, blur radius, and color, and — unlike box-shadow — follows the actual alpha/transparency shape of the element rather than its bounding box. This makes it useful for shadows on transparent PNGs, SVGs, or irregularly shaped images.