deftools.io 🎨 Design

🎨 Design

Visual design helpers for the web — color converters and pickers (HEX, RGB, HSL, OKLCH), gradient and shadow generators, CSS animation and clip-path builders, flexbox and grid playgrounds, glassmorphism and neumorphism effects, border-radius calculators, and Tailwind CSS live editors. Prototype designs and copy the CSS directly.

🎨 CSS Grid Areas Generator
Paint grid cells to build a CSS grid-template-areas layout visually — name your regions, draw the grid, and copy production-ready CSS and HTML.
Live
🎨 OKLCH Color Converter & Picker
Convert and pick OKLCH colors online with HEX, RGB, HSL output and sRGB / Display-P3 gamut checks.
Live
🎨 Tailwind CSS Playground
Edit HTML with Tailwind CSS classes and see live preview
Live
🎯 CSS Anchor Positioning Playground
Explore CSS anchor positioning — visually build anchor() and position-area layouts with live preview and copyable CSS
Live
📐 CSS Unit Converter
Convert CSS length units: px, rem, em, pt, vw, vh, %. Live conversions with configurable root font-size, viewport size, and percentage base.
Live
Aspect Ratio Calculator
Compute CSS aspect-ratio from any width × height, simplify ratios (16:9, 4:3, 1:1, …), find a missing dimension, and copy production-ready CSS/Tailwind/JSX. Live visual preview and a library of common ratios.
Live
Border Radius Generator
Visually design CSS border-radius with linked or per-corner controls, elliptical corners, and presets. Copy clean CSS instantly.
Live
Box Shadow Generator
Create CSS box shadows with a visual editor. Multi-layer shadows, inset, presets, copy CSS.
Live
Color Blind Simulator
See how colors look to users with protanopia, deuteranopia, tritanopia, and achromatopsia. Test palettes for color-blind accessibility.
Live
Color Contrast Checker
Check WCAG color contrast ratios for accessibility compliance (AA, AAA).
Live
Color Converter
Convert colors between HEX, RGB, HSL, OKLCH, and named CSS colors. Paste any format or use the color picker — get all formats and contrast preview instantly.
Live
Color Harmony
Generate beautiful color palettes from any base color. Complementary, analogous, triadic, tetradic, split-complementary, and monochromatic schemes — with one-click copy and CSS / Tailwind / JSON export.
Live
Color Palette
Extract dominant colors from any image. Get hex, RGB, HSL values, contrast grades, copy-all-as-CSS, deep-link settings.
Live
Color Scale Generator
Generate color scales from a base color — light-to-dark ramps, tints, shades, and saturation scales with hex, RGB, HSL output.
Live
CSS Animation Generator
Visually design CSS animations with a live preview, a built-in keyframe preset library (fade, slide, bounce, pulse, spin, shake, zoom, flip and more), full timing/easing/iteration control, a custom keyframe editor, and one-click clean CSS export.
Live
CSS Clamp Generator
Generate CSS clamp() values for fluid typography and responsive spacing. Set min and max sizes with viewport breakpoints, preview the scaling curve, and copy the CSS.
Live
CSS Clip-Path Generator
Visually design CSS clip-path shapes: polygons, circles, ellipses, and insets. Drag points on the canvas, pick from shape presets (triangle, star, arrow, hexagon, message), and copy clean clip-path CSS instantly.
Live
CSS Filter Generator
Design CSS filter() effects visually. Adjust blur, brightness, contrast, hue-rotate, saturate, sepia, grayscale, invert and opacity with a live preview, then copy the CSS in one click.
Live
CSS Flexbox Generator
Visually design flexbox layouts. Adjust direction, alignment, wrap, gap, per-item grow/shrink/basis, and item count — copy the CSS in one click.
Live
CSS Glassmorphism Generator
Create beautiful frosted-glass UI effects with live preview. Tune backdrop blur, transparency, border, shadow, and border-radius. Copy CSS + HTML in one click.
Live
CSS Gradient Generator
Create beautiful CSS gradients with a visual editor. Linear, radial, and conic. Copy CSS in one click.
Live
CSS Grid Layout Builder
Build CSS Grid layouts visually — set columns, rows, gaps, and item placement, then copy production-ready grid-template-columns and grid-template-rows CSS.
Live
CSS Loader Generator
Generate CSS-only loading spinners and loaders with customizable colors, sizes, animations and speed.
Live
CSS Mask Generator
Generate CSS mask-image effects with gradients, images, and sizing controls — live preview and copy-ready code.
Live
CSS Scrollbar Customizer
Generate custom scrollbar CSS with visual controls. Design WebKit and Firefox scrollbar styles — width, colors, border radius, hover states.
Live
CSS Specificity Analyzer
Analyze multiple CSS selectors at once — get ranked specificity scores in (a,b,c,d) notation, compare, and export as a table.
Live
CSS Transform Generator
Build complex CSS transforms visually — translate, rotate, scale, skew, and perspective on X/Y/Z axes. Live 3D cube preview, copy-ready CSS, and one-click presets.
Live
CSS Triangle Generator
Create CSS-only triangles for tooltips, dropdowns, and speech bubbles
Live
CSS Variable Extractor
Extract CSS custom properties (variables) from any stylesheet. Paste CSS to see all --var definitions in a sortable, searchable table with live preview and copy support.
Live
Cubic Bezier Generator
Design CSS easing curves visually. Drag control points on the bezier curve, preview live animations, and copy cubic-bezier() CSS in one click.
Live
Favicon Generator
Create favicons from emoji, letters, or text. Export PNG (16/32/48/64/180px) and ICO.
Live
Image Color Picker
Click on any pixel in an image to get its exact color in HEX, RGB, and HSL. Includes magnified preview for precise color picking.
Live
Neumorphism Generator
Generate soft UI neumorphism shadows with live preview
Live
Scroll-Driven Animations Generator
Design CSS scroll-driven animations with a live preview, scroll() and view() timeline support, axis and range controls, keyframe presets, and copyable CSS output.
Live
SVG Optimizer
Optimize and minify SVG files online. Strip comments, metadata, editor data, and unnecessary whitespace to shrink file size.
Live
SVG Path Visualizer
Paste any SVG path `d` attribute and inspect it live: anchor & control points, bounding box, path length, per-command breakdown. Auto-fit viewBox, grid, copy normalized path.
Live
Text Shadow Generator
Create CSS text shadows with live preview
Live
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