CSS Filter Generator
no filters
Originaloriginal
Filteredfiltered
Generated CSS
.element {
  /* no filters applied */
}

CSS Filter Generator — Visual Image Filter Builder Online

Share

About this tool

Free Visual CSS Filter Generator

CSS Filter Generator is a free visual tool for building CSS filter declarations with a live side-by-side preview — letting you see the exact effect of every slider adjustment on a real image before copying a single line of code. The CSS filter property applies GPU-composited graphical effects to any HTML element: blur() for gaussian blur effects, brightness() and contrast() for tonal range control, grayscale() and sepia() for color mode transformation, hue-rotate() for color wheel shifts, invert() for negative effects, opacity() for alpha transparency, and saturate() for color intensity. The drop-shadow() function provides a shape-aware shadow that traces the element's alpha channel rather than its bounding box — essential for transparent PNG images and SVG icons. This tool provides individual sliders with precise numeric inputs for each of the nine filter functions plus a drop-shadow panel with X/Y offset, blur, color, and opacity controls. Ten preset filter combinations — Vintage, Grayscale, Cold, Warm, High Contrast, Dreamy, Neon, Matte, Night Vision — provide polished starting points that you can further refine. Preview on four curated sample images or upload your own, then copy the complete CSS with -webkit-filter for Safari compatibility included.

Features

  • 9 CSS filter functions: blur, brightness, contrast, saturate, grayscale, sepia, hue-rotate, invert, opacity
  • drop-shadow panel with X/Y offset, blur radius, color picker, and opacity control
  • Side-by-side original vs. filtered live preview — updates in real time with every slider move
  • 10 built-in presets: Vintage, Grayscale, Cold, Warm, High Contrast, Dreamy, Neon, Matte, Night Vision, None
  • 4 sample preview images + upload your own image file or paste an image URL
  • Precision numeric inputs alongside each range slider for exact value entry
  • Generated CSS includes both filter and -webkit-filter for full Safari compatibility
  • Identity-value omission — default-value functions are excluded from the output to keep CSS clean
  • Reset to defaults in one click — restores all 9 functions to their neutral values
  • 100% browser-based — no image or code is sent to any server

How to Use

Use the sliders in the left panel to adjust each CSS filter function — each slider has a sensible default value and numeric range calibrated to real-world use. The Blur slider ranges from 0 to 20px — values above 5px produce a clearly visible blur suitable for background defocus effects. Brightness controls the overall luminosity from 0% (black) through 100% (normal) to 200% (maximum bright). Contrast adjusts tonal range — values below 100% fade to gray, values above 100% increase punch. Saturate controls color intensity from 0% (completely desaturated) to 200% (vivid oversaturated). Grayscale and Sepia range from 0% (no effect) to 100% (fully applied). Hue-rotate shifts all colors around the color wheel from 0° to 360°. Invert ranges from 0% to 100% for a complete color negative. The drop-shadow section below the main sliders lets you set X and Y offset in pixels, blur radius, shadow color using a color picker, and shadow opacity — all combined into a single drop-shadow() function in the output. Click any of the 10 preset buttons at the top of the panel to instantly load a pre-designed filter combination as a starting point, then fine-tune the individual sliders. Click the four sample image thumbnails to switch the preview image, or click Upload to use your own image or paste an image URL. The right panel shows the original and filtered images side by side for immediate comparison. Click Copy CSS to copy the complete filter declaration including both filter and -webkit-filter. Click Reset to restore all sliders to their default values.

Common Use Cases

◑
Image Styling
Apply a consistent visual treatment — a slight warm tone, a desaturated fade, or a high-contrast boost — to hero images, avatar photos, or gallery thumbnails using a single CSS filter declaration. A shared filter class applied across all images is far easier to maintain than editing each image file individually, and can be updated site-wide by changing a single CSS value.
✦
Photo Preset Effects
Create Instagram-style photo effects for web projects using multi-function filter combinations. The Vintage preset applies a warm sepia tone with reduced saturation and slight contrast boost. The Cold preset shifts hue toward blue with raised contrast for a cinematic look. Start with any preset and adjust individual sliders to refine the effect for your specific image and design context.
⚡
Hover & Interaction States
Generate filter values for hover states that make images or cards feel interactive. A common pattern is applying grayscale(100%) on the default state and filter: none on :hover, so images appear desaturated at rest and come to life in full color when the user hovers. Or apply brightness(0.85) on default and brightness(1) on hover for a subtle brightening lift effect that signals interactivity.
⬡
Dark Mode Image Adaptation
Use brightness(0.85) and contrast(1.05) filters on images in dark mode to prevent them from appearing too bright and blinding against dark backgrounds — a common technique in dark mode stylesheets. Apply the filter under a [data-theme="dark"] img selector to adjust all images automatically when the theme switches, without needing separate dark-mode image assets.
△
SVG Icon Recoloring
Apply hue-rotate() and saturate() to SVG icons to match brand colors without editing the SVG source files. For example, shifting a blue icon by 120° using hue-rotate(120deg) turns it green, and saturate(1.5) boosts the color intensity. This technique lets you maintain a single SVG file and control the color entirely through CSS, which is especially valuable for icon libraries used across multiple themed products.
⟳
Loading Skeleton States
Combine grayscale(1), opacity(0.6), and blur(2px) to create blurred, desaturated placeholder states for images that are still loading. Remove the filter class via JavaScript's onload event or a CSS transition once the image has fully loaded, creating a smooth reveal from blurred placeholder to sharp full-color image without any separate skeleton asset.

Frequently Asked Questions

The CSS filter property applies graphical processing effects to an HTML element and its contents — including images, text, backgrounds, and entire sections of a page. Filter functions include blur() for gaussian blur, brightness() and contrast() for tonal adjustments, grayscale() and sepia() for color mode changes, hue-rotate() for color wheel shifts, invert() for negative effects, opacity() for transparency, and saturate() for color intensity. Multiple functions can be chained in a single filter declaration and they are applied sequentially from left to right.

Yes. Multiple CSS filter functions can be listed in a single filter property value, separated by spaces. For example: filter: brightness(120%) contrast(110%) saturate(130%) hue-rotate(10deg). Each function is applied to the output of the previous one in left-to-right order — so the sequence matters. This tool combines all your slider values into a single optimized filter declaration, omitting functions that are set to their default (identity) values to keep the output clean.

drop-shadow() is a CSS filter function that traces the element's actual alpha channel to cast a shadow — it follows the transparent cutouts in PNG images and SVG icons, producing a silhouette shadow that matches the visual shape. box-shadow applies to the rectangular bounding box of the element regardless of transparency, so a drop shadow on a circular avatar would appear as a rectangular shadow instead of following the circle. For non-rectangular content like transparent PNGs, icons, and cutout images, drop-shadow() is always the correct choice.

CSS filters trigger GPU compositing, which means each filtered element is rasterized to its own layer and processed by the graphics card. This is efficient for static elements, but animating filter values — especially blur() — can cause performance issues because each frame requires the GPU to re-rasterize the layer. The blur() function is particularly expensive at large values on large elements. For best performance, keep blur radius below 10px for animated elements, avoid applying filters to large full-page sections, and use will-change: filter to hint the browser before animating.

The CSS filter property has excellent browser support across all modern browsers — Chrome, Firefox, Safari, Edge, and Opera all support it without prefixes. Older versions of Safari (pre-9.1) and Chrome required the -webkit-filter prefix. This tool's CSS output includes both the standard filter property and the -webkit-filter fallback to cover older WebKit-based browsers. Internet Explorer does not support CSS filter at all, though IE market share is negligible for modern web projects.

hue-rotate() shifts every color in the element around the HSL color wheel by the specified number of degrees. A value of 0deg leaves colors unchanged. A value of 180deg swaps every color with its complement — reds become cyans, blues become oranges. A full 360deg rotation returns to the original colors. This makes hue-rotate extremely useful for SVG icon recoloring (apply hue-rotate to shift a blue icon to green without editing the SVG source) and for creating color variants of images or UI sections.

Yes. CSS filter works on any HTML element — div containers, paragraph text, buttons, SVG elements, video, canvas, and even entire page sections. Applying filter to a container element affects that element and all of its children together as a flattened composite. This is useful for applying a desaturated hover state to an entire card component, blurring a background section behind a modal, or applying a global warm or cool tone to a UI region without affecting each child element individually.

The tool includes 10 preset filter combinations: None (all defaults), Vintage (warm sepia tone with slight desaturation), Grayscale (full desaturation), Cold (blue-shifted hue with boosted contrast), Warm (orange-shifted hue with raised brightness), High Contrast (maximized contrast with slight saturation boost), Dreamy (soft blur with brightened pastel tones), Neon (high saturation with hue shift for electric color), Matte (reduced contrast with slightly faded look), and Night Vision (high green-shifted hue with boosted brightness). Each preset can be further fine-tuned with the individual sliders.