CSS Filter Generator
Generate CSS filter values with live preview. Includes blur, brightness, contrast, grayscale, hue-rotate, invert, opacity, saturate, sepia and drop-shadow.
.element {
filter: none;
}What is CSS Filter Generator?
The CSS Filter Generator is an interactive tool for creating and fine-tuning CSS 'filter' property values with a live preview. CSS filters let you apply visual effects — blur, brightness, contrast, grayscale, sepia, hue-rotate, invert, opacity, saturate, and drop-shadow — directly to any HTML element using pure CSS, without editing the source image in an external application.
Each filter function takes a numeric value that controls the intensity of the effect. Getting these values right by trial and error in a stylesheet is slow. This generator provides a dedicated slider for each filter function so you can dial in the exact effect you want while watching the preview image update in real time. You can stack multiple filters together — for example, combining 'grayscale(50%) brightness(110%) contrast(120%)' for a stylised black-and-white look — and the tool outputs the complete, combined filter shorthand.
CSS filters are widely used for hover effects on images and icons, dark-mode tinting of third-party assets, creative photo treatments on editorial pages, and accessibility enhancements such as high-contrast mode overlays. Because filters are applied at render time rather than baked into the image, they respond instantly to CSS transitions and JavaScript state changes. This tool is ideal for frontend developers, UI designers, and anyone who wants to achieve a consistent visual treatment across multiple images or interface elements without touching an image editor.
How to Use CSS Filter Generator
- Load a preview image
The tool shows a default preview image. Optionally upload your own image to see filters applied to your actual asset.
- Adjust the filter sliders
Move the sliders for blur, brightness, contrast, grayscale, hue-rotate, and other functions to shape the effect.
- Check the live preview
Watch the preview image update instantly with each slider change to judge the combined effect accurately.
- Copy the filter CSS
Click Copy to grab the complete filter property value and paste it into your stylesheet or CSS-in-JS code.
Key Benefits
Each filter function has a dedicated slider — no need to remember valid ranges or units for each property.
The preview updates with every slider movement so you can judge subtle differences in intensity immediately.
Combine multiple filter functions and see their cumulative effect before committing to the code.
The generated filter value uses standard syntax that works in all modern browsers without vendor prefixes.
Frequently Asked Questions
The generator covers blur, brightness, contrast, grayscale, hue-rotate, invert, opacity, saturate, and sepia. Each function accepts a numeric value with the appropriate unit — px for blur, % or a decimal multiplier for the rest, and deg for hue-rotate.
Yes. The filter property applies to any HTML element including divs, text, videos, and SVGs. It is commonly used for tinting icon fonts, creating frosted-glass overlays, and applying colour shifts to entire UI sections.
Yes. Filters are applied to the element and all its descendants as a single composited layer. If you need to filter only the background and not the content, use backdrop-filter instead.
CSS filter provides a concise shorthand for the most common visual effects and is easier to write. SVG filters are more powerful and can achieve effects not possible in CSS, but require verbose XML markup.