FREE ONLINE TOOLS
🎨 Free Design Tools
Browse 37 free design tools on FastTool. All tools run in your browser with no signup required.
About Our Design Tools
Great design starts with the right tools at hand. FastTool's free design tools let you pick colors, generate gradients, create palettes, build CSS layouts, and preview typography without opening heavyweight design software. Everything runs client-side, so your creative experiments stay fast and private. Whether you are a UI designer refining a color system, a front-end developer prototyping a layout, or a hobbyist building a personal site, these tools help you move from idea to implementation faster. Each tool outputs copy-ready values like HEX, RGB, HSL, and CSS code snippets that you can paste directly into your project.
All Design Tools (37)
Color Picker Trending
Pick any color and get HEX, RGB, HSL values instantly.
CSS Gradient Generator
Create beautiful CSS gradients with live preview and code output.
Color Converter (Hex/RGB/HSL)
Convert between Hex, RGB, and HSL color codes.
Color Palette Generator
Generate 5-color palettes with one click and copy hex codes.
CSS Box Shadow Generator
Visual CSS box-shadow generator with live preview.
Color Palette from Image
Extract dominant colors from an uploaded image.
CSS Border Radius Generator
Visual border-radius generator for each corner independently.
Font Style Generator
Convert plain text into 10 fancy Unicode font styles — bold, italic, script, fraktur, double-struck and more for social media bios.
RGB to Hex Converter
Convert RGB color values to Hex codes and Hex to RGB with live preview.
Aspect Ratio Calculator
Calculate and maintain aspect ratios for images, video, and responsive design.
Favicon Generator
Create favicon.ico from text, emoji, or uploaded image.
Placeholder Image Generator
Generate placeholder images with custom dimensions and colors.
Google Fonts Previewer
Browse and preview Google Fonts with custom text.
Color Blindness Simulator
Upload an image and simulate different types of color blindness.
CSS Gradient Animator
Create animated CSS gradients with keyframe code output.
Placeholder Image Generator (Picsum)
Generate placeholder images from Lorem Picsum with custom dimensions.
SVG Path Editor
Edit SVG path data with a visual canvas preview.
Color Contrast Checker
Check WCAG AA/AAA color contrast ratios for accessible design — instant pass/fail with live preview.
Color Name Finder
Find the nearest CSS named color for any hex or RGB value — see the top 5 closest matches with distance scores.
Color Mixer
Mix two colors together at any ratio — see the blended result as hex, RGB, and a live preview swatch.
Gradient Text Generator
Create stunning CSS gradient text — pick colors, direction, and preview your text with a live gradient effect instantly.
Neumorphism CSS Generator
Generate CSS neumorphism (soft UI) effects with real-time preview — adjust color, size, blur, distance, and shape to get the perfect soft-shadow style.
Glassmorphism CSS Generator
Generate CSS glassmorphism effects with real-time frosted-glass preview — control blur, transparency, border opacity, and border radius to achieve the glass look.
Color Shades & Tints Generator
Generate a full palette of shades and tints from any hex color — get lighter and darker variations with hex values to copy, perfect for design systems and CSS variables.
Tailwind CSS Color Palette
Browse all official Tailwind CSS colors with hex values — click any swatch to copy the hex, RGB value, or Tailwind class name. Filter by color family with instant search.
Color Wheel & Harmonies
Explore color theory with an interactive color wheel — click any color or enter a hex code to instantly see complementary, triadic, analogous, tetradic, and split-complementary palettes.
CSS Text Shadow Generator
Create stunning CSS text shadow effects visually — adjust horizontal offset, vertical offset, blur radius, and color with live preview, then copy the ready-to-use CSS declaration.
CSS Loader Generator
Generate animated CSS loading spinners — choose from 8 spinner styles, customize size and color, and copy the ready-to-use CSS and HTML code instantly.
HTML Color Codes Reference
Browse all 140+ HTML named colors with their hex, RGB, and HSL values — search by name or hex, filter by hue family, and copy any color code in one click.
SVG Path Visualizer
Visualize and debug SVG path d attributes — paste any SVG path data and see it rendered in a canvas with labeled anchor points, control handles, and command breakdown.
CSS Button Generator
Generate beautiful CSS buttons with live preview — customize color, size, border radius, shadow, hover effects, and copy the ready-to-use HTML and CSS code.
SVG Optimizer
Clean and minify SVG code by removing comments, metadata, editor cruft, and unnecessary whitespace. Paste your SVG and get a leaner, faster-loading optimized version.
Font Pairing Generator
Discover beautiful font combinations for your next design project. Browse curated heading and body font pairings from Google Fonts with live preview. Copy the CSS import instantly.
Color Temperature Converter
Convert color temperature in Kelvin to RGB and hex color values. See the actual color produced by any light source from candles to open sky. Essential for photography, videography, and lighting design.
Pixel Density Calculator
Calculate the pixel density (PPI — pixels per inch) of any display from its resolution and screen size. Perfect for comparing monitors, phones, and tablets. Also calculates dot pitch and total megapixels.
Contrast Ratio Checker
Check the WCAG 2.1 color contrast ratio between foreground and background colors. Instantly see if your text passes AA or AAA accessibility standards for normal text, large text, and UI components. Essential for inclusive web design.
Pixel Art Maker
Create pixel art directly in your browser with a grid-based canvas. Choose your grid size, pick colors from a palette, draw pixel by pixel, and export your creation as a PNG image — no software installation required.