CSS &amp; UI Design Tools

✓ Interactive real-time preview over customizable colorful backgrounds and imagery

CSS Glassmorphism & Frosted Glass Generator

Create ultra-modern frosted glass UI effects with customizable backdrop blur and transparency.

✓ Fine-grained controls: blur radius, surface opacity, border width, border opacity, and shadow

✓ Multi-layer shadow stacking for organic light diffusion without harsh boundaries

CSS Box Shadow & Multi-Layer Elevation Generator

Craft smooth, multi-layered realistic CSS box shadows with light angle controls.

✓ Interactive 2D light source direction controller (angle, distance, elevation)

✓ Full support for Linear, Radial, and Conic CSS gradient rendering modes

CSS Gradient Generator & Color Interpolation Studio

Design linear, radial, and conic CSS gradients with multi-color stops and angles.

✓ Multi-stop color picker with precise percentage positioning and alpha channels

✓ Precise calculation of WCAG 2.1 contrast ratios (from 1:1 up to 21:1)

A11y

Color Contrast & WCAG Accessibility (A11y) Checker

Calculate contrast ratios to guarantee WCAG 2.1 AA and AAA compliance.

✓ Instant AA and AAA compliance scoring for Normal Text, Large Text, and UI Components

✓ Multi-format support: Compress JPEG, PNG, WebP, and AVIF with instant side-by-side visual comparison

Browser-Native Image Compressor & WebP Converter

Compress, resize, and convert JPEG, PNG, and WebP images locally with real-time compression metrics.

✓ Granular quality and resolution controls with proportional aspect-ratio dimension scaling

✓ Multiple color harmony algorithms: Complementary, Analogous, Triadic, Tetradic, Monochromatic, and Split-Complementary

Color Harmony & Palette Generator

Create harmonious color palettes with monochromatic, complementary, and triadic schemes with CSS/Tailwind export.

✓ Multi-format export: Copy palettes in Tailwind CSS config, CSS Custom Properties (:root variables), SCSS, HEX, RGB, HSL, and modern OKLCH

✓ Linear interpolation math: Calculate exact slope and intercept for seamless scaling between min/max viewports

CSS Clamp & Fluid Typography Calculator

Generate fluid typography and responsive spacing formulas with CSS clamp() between custom breakpoints.

✓ Dual unit support: Seamlessly input values in pixels (px) or rem with customizable root base font size (default 16px)

✓ Interactive visual canvas with draggable control vertices for real-time polygon vertex manipulation

CSS Clip-Path & Polygon Shape Studio

Visually craft CSS clip-path polygons, shapes, and responsive clipping masks with drag-and-drop handles.

✓ Comprehensive shape preset library: Triangle, Hexagon, Star, Chevron, Message Bubble, Trapezoid, Rhombus, and Octagon

✓ Interactive 2D Bézier curve graph with draggable P1(x1, y1) and P2(x2, y2) tangent control points

CSS Cubic-Bezier & Easing Curve Animator

Design custom cubic-bezier easing curves and transition timing functions with live motion preview.

✓ Real-time physics motion simulator: compare custom curves side-by-side against standard linear, ease, ease-in-out, and spring bounces

✓ 20+ Lightweight pure CSS loader styles: Classic Spinners, Dual Rings, Bouncing Dots, Pulse Waves, Ripple Radials, and Skeleton Shimmers

Pure CSS Spinners & Loading Animations Studio

Customizable pure CSS loading spinners, skeleton animations, and bouncing indicators with single-click copy.

✓ 100% Single-element and pseudo-element (::before / ::after) markup for minimal DOM footprint

✓ Real-time bi-directional conversion: OKLCH, HEX, RGB/RGBA, HSL/HSLA, HSV, Display P3, OKLAB, and CMYK

Modern Color Space & OKLCH Converter Studio

Convert web colors across OKLCH, HEX, RGB, HSL, Display P3, and CMYK with WCAG contrast and shade scales.

✓ CSS Color Module 4 standard: Generates modern oklch(74% 0.14 225.5) and color(display-p3 ...) outputs for Tailwind CSS v4

✓ Real-time multi-unit calculation: Synchronizes PX, REM, EM, %, Point (pt), and Viewport Width (vw)

PX to REM, EM & CSS Clamp Unit Converter

Convert PX to REM, EM, and generate fluid CSS clamp() responsive typography formulas.

✓ Custom root base font-size selector: Supports default 16px, 10px (62.5% trick), 14px, or custom pixel values

✓ Client-Side WebAssembly decoding: Decodes proprietary Apple HEIC/HEIF images without backend server uploads

Apple iPhone HEIC to JPG & PNG Batch Converter

Convert Apple iPhone HEIC and HEIF photos to JPG, PNG, or WebP with batch ZIP download.

✓ Batch conversion: Drag and drop dozens of iPhone photos simultaneously with real-time queue progress

✓ Multi-Format Matrix: Convert across WebP, PNG (lossless), JPG/JPEG, AVIF, ICO, and BMP formats in batch

Universal Image Batch Converter Studio (WebP, PNG, JPG, AVIF, ICO, BMP)

Batch convert and resize images across WebP, PNG, JPG, AVIF, ICO, and BMP client-side.

✓ Hardware-accelerated HTML5 Canvas rendering for instant client-side image processing without backend uploads

✓ Client-Side OpenType Parser: Decodes TTF, OTF, and WOFF binary font files locally using OpenType.js

Web Font Converter, Inspector & Subsetter Studio (TTF, OTF, WOFF, WOFF2)

Inspect, convert, and subset TTF, OTF, and WOFF fonts with live glyph preview and @font-face CSS.

✓ Interactive Glyph Matrix: Inspect full unicode character sets, glyph indices, and bounding boxes in real-time

✓ Multi-Theme Syntax Highlighting: Support for popular themes (One Dark Pro, Dracula, GitHub Dark/Light, Nord, Monokai, SynthWave 84, Tokyo Night) and dozens of programming languages

Code to Image Studio – Beautiful Code Snippet Screenshots

Convert code snippets into beautiful, high-resolution screenshots with syntax themes, gradients, and macOS window styling.

✓ Customizable Canvas & Window Controls: macOS, Windows, and minimalist title bar styles with adjustable padding, border radius, drop shadows, and aspect ratios (Auto, 1:1, 16:9, Twitter/LinkedIn)

✓ Pure Client-Side Optimization: Instant local AST parsing and minification without uploading assets to remote servers

Vector

SVG Optimizer & Cleaner (SVGO Studio)

Optimize and clean SVG files, strip metadata, reduce file size, and export React JSX.

✓ Editor Metadata Stripping: Removes Figma, Inkscape, Adobe Illustrator, and Sketch proprietary namespaces, artboards, and sodipodi tags

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WebCraftKit Platform 100% Client-Side Engine

Air-Gapped Privacy & Zero-Latency Developer Utilities

Every cryptographic algorithm, schema transformer, color space converter, and binary extractor runs entirely in your browser RAM. Your tokens, API secrets, and source code are never sent to external servers.

Zero Server Telemetry

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Sub-Millisecond Execution

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80 Production Tools

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Dev & Data

Developer & Data Utilities

Format, validate, encode, decode, and transform developer data formats with zero server latency.

SEO & Webmaster

Webmaster, SEO & Text Tools

Optimize metadata for search rankings, compose Markdown in real-time, generate sitemaps, and inspect text.

AI & LLM

AI & LLM Engineering

Professional browser-native utilities for prompt engineering, token counting, structured outputs, and RAG vector chunking.

Mobile & Apps

Mobile & App Development

Generate Xcode/Android icon suites, design App Store screenshot mockups, convert strings.xml, calculate DPI, and test deep links.