UD5 Toolkit
Image to CSS Grid Layout - Online Pixel‑Based Generator
Upload a small pixel art image and get a CSS grid layout that recreates it using divs. Novelty developer tool.
CSS Grid Area Template Generator - Online Visual Naming
Grid Settings
Use same name in adjacent cells to merge them.
Live Preview
Generated CSS
CSS Masonry Gallery Generator - Online Flexible Grid
Paste image URLs and generate a responsive masonry or justified gallery layout with lightbox. Copy the HTML/CSS/JS.
Crossword Grid Pattern Generator – Online Symmetric Layout Creator
Create a custom crossword grid with rotational symmetry. Set grid size and click to place black squares. Export as template.
CSS Subgrid Layout Builder - Online Align Nested Grids
Design a layout where nested grids share track sizes with their parent via subgrid. Copy the complete CSS.
CSS color-mix() Playground - Online Function Generator
Experiment with the CSS color-mix() function. Pick two colors and mix them in different color spaces (srgb, oklch). Copy the CSS.
CSS Filter Generator - Online Visual SVG Filter Builder
Interactively apply CSS filter functions (blur, brightness, contrast, etc.) to an image and copy the resulting filter property. No coding required.
CSS Aspect Ratio Box Generator - Online Intrinsic Size
Create a responsive box that maintains a specific aspect ratio using the aspect‑ratio property. Copy the simple CSS.
CSS Media Query Generator - Online Quick Syntax Builder
Build a CSS media query by selecting feature, operator, and value. Copy the exact syntax for your stylesheet.
Photo Collage Maker - Online Grid & Freeform Arranger
Create photo collages by arranging multiple images on a canvas. Select grid templates or freeform placement. Export as single image. Secure local processing.
SQL CREATE TABLE Generator - Online Visual Schema Builder
Add columns with types and constraints, then generate a SQL CREATE TABLE statement. Supports MySQL/PostgreSQL.
Random Logic Puzzle Generator - Online Grid Problems
Generate a small logic puzzle grid (like Einstein’s riddle) with clues. Solve in browser or print. Local generation.
Bash Script Skeleton Generator - Online Template
Get a safe, ready‑to‑use Bash script template with argument parsing, error handling, and help function. Start scripting faster.
Container Style Queries Playground - Online @container style()
Test the new style() function inside @container to query custom property values. Revolutionary component‑based responsive design.
OKLCH Color Explorer - Online Perceptually Uniform Space
Browse the OKLCH color space with sliders for lightness, chroma, and hue. See the CSS oklch() code. Modern and accessible.
Custom Jigsaw Puzzle Maker – Online Upload & Generate Pieces
Upload an image and turn it into a simple digital jigsaw puzzle. Choose number of pieces. Play on screen.
image‑rendering CSS Demo - Online Crisp or Smooth
Toggle image‑rendering: auto, pixelated, crisp‑edges on a scaled image. Essential for pixel art display.
Dynamic OG Image Generator - Online Create Social Cards
Enter title, subtitle, and logo URL. Generate a beautiful Open Graph image ready for social sharing. Download PNG.
Word Cloud Image Maker - Online Vector Export
Paste text and generate a word cloud as a downloadable PNG image. Customize colors and shapes. All local.
Responsive Image CSS - Online Art Direction & Srcset
Upload an image at multiple widths and generate a complete <picture> or <img srcset> snippet. Modern web performance.
word‑break & overflow‑wrap Playground - Online Text Wrapping
Compare break‑all, keep‑all, and overflow‑wrap: anywhere/break‑word. Paste long words and see how they wrap.
CSS Container Queries Playground - Online Test @container
Experiment with CSS container queries in a live editor. Resize the container and see styles change based on its width/height. Learn modern responsive.
Responsive Images srcset Generator - Online
Upload multiple sizes of the same image and generate the complete srcset and sizes attributes. For perfect responsive performance.
aspect‑ratio with min/max Demo - Online Responsive Boxes
Combine aspect‑ratio with min‑/max‑width/height and see how the box responds. Understand sizing constraints. Copy the pattern.
Color Swatch Image Generator - Online PNG Palette
Enter hex codes and download a PNG swatch image with color names. Useful for design spec documents. Built via canvas.
Image Sitemap Generator - Online XML for Photos
Paste a list of image URLs and generate a valid Google Image Sitemap XML. Essential for photography sites.
Random Art Style Generator - Online For Artists & AI Prompts
Generate a random art style name (e.g., 'Baroque cyberpunk oil painting') for inspiration or AI image generation.
On‑Screen Pixel Ruler - Online Measure Elements in Browser
Drag a virtual ruler across your screen to measure pixel distances. Horizontal and vertical guides. Useful for UI designers checking alignment.
Word Search Creator - Online Generate & Print Puzzle
Enter a list of words and create a custom word search grid. Choose difficulty, print or export as PDF. Great for teachers.
Lorem Pixel Image Generator - Online Placeholder Photo Service
Generate placeholder images with custom dimensions, background color, and text. Supports SVG and raster output. Perfect for wireframing and mockups.
Relative Color Syntax Visualizer - Online Adjust Lightness/Chroma
Start from a base color and use `oklch(from color l c h)` to create lighter or darker variants. Copy the code.