UD5 Toolkit
Photo Mosaic Generator - Online Tile a Big Picture from Small
Upload a main image and a folder of tile images, and the tool creates a photomosaic. Rendered in canvas. All local.
Canvas Pattern Maker - Online Repeat Image Tiles
Pattern Settings
Use empty state to upload your own image, or we'll use a default tile.
or
Frequently Asked Questions
A Canvas Pattern Maker helps you create seamless repeatable image tiles directly in the browser. You upload an image, adjust columns, rows, spacing, scaling, and rotation, and instantly preview a tiled pattern. It’s perfect for wallpapers, textile design, web backgrounds, and more.
Upload your tile image, set columns and rows to the desired repeat count, adjust spacing if needed, and choose Grid or Brick mode. For a classic offset brick pattern, select “Brick Horizontal” and adjust the offset slider. The tool instantly shows the result on the canvas.
Yes! Click the “Download” button to save the full pattern as a high-resolution PNG file. The download preserves transparency if you enable the transparent background option.
After designing your pattern, press the “CSS” button. It copies a ready-to-use CSS snippet with the pattern embedded as a base64 background image. Simply paste it into your stylesheet.
Absolutely not. This tool runs entirely in your browser. Your images are never uploaded or transmitted anywhere, ensuring complete privacy.
Common web formats like PNG, JPEG, GIF, WEBP, and SVG are supported. For best results with transparency, use PNG.
Rotation is applied around each tile’s center. The canvas shows the full generated pattern, but the preview area might clip edges if the dimensions exceed the visible container. Download the PNG to see the complete unscaled pattern.
Crochet Stitch & Row Counter – Online with Pattern Repeat
Multiple digital counters for tracking stitches, rows, and pattern repeats. Increment, reset. Works on mobile.
Text Watermark Tile Generator - Online Pattern Overlay
Create a repeating text pattern from a short string for watermarking documents or images. Download SVG pattern.
CSS Background Pattern Generator - Online Stripes, Dots & Checks
Create seamless CSS background patterns like stripes, polka dots, checkerboard. Adjust size and colors. Copy the tiny CSS.
Emoji Background Pattern Generator - Online Repeat CSS
Select emojis and arrange them into a seamless tiling background. Copy the CSS data‑URI or download as image.
Crossword Puzzle Maker - Online Simple Grid Builder
Build a small crossword by adding words and clues. Export as a printable PNG or JSON. For classroom and fun.
Background‑Blend‑Mode Explorer - Online Layer Patterns
Stack multiple background images and blend them with colors. Create unique textures. Copy the CSS code instantly.
Bead Pattern Designer – Online Visual Stringing Sequence
Drag colored beads onto a virtual thread to design a repeating pattern. See total length. Save locally.
CSS Grid Area Template Generator - Online Visual Naming
Visually name grid areas in a table and generate grid‑template‑areas CSS. Perfect for complex layouts. Drag‑free.
Flashcard Maker - Online Create & Study With Spaced Repetition
Create custom flashcards and review them with a simple spaced repetition algorithm. Data stored in your browser. No sign-up required.
Regex Visualizer - Online Railroad Diagram Generator
Enter a regular expression and see a visual railroad diagram explaining the pattern. Learn and debug regex.
CSS Grid Auto Placement Demo - Online How Items Flow
See how grid-auto-flow: row vs column changes item placement. Add and remove items to understand the algorithm. Visual.
CSS Grid Named Lines Demo - Online Complex Layouts
Use named grid lines instead of column numbers. See how they simplify placement. Visual, interactive learning.
Pathfinding Visualizer - Online A*, Dijkstra & BFS Grid
Draw walls on a grid and watch A*, Dijkstra, or BFS find the shortest path. Interactive animation. Learn graph traversal.
Timeline Creator - Online Generate Visual History Chart
Build a vertical timeline by entering events with dates and descriptions. Export as image or HTML. Perfect for project milestones.
Name Tent Generator - Online Print Foldable Desk Cards
Type names and generate folded name tents for desks. Print, cut, fold. Great for workshops and panels.
Letter Formation Animator – Online Watch Handwrite Letters
Click a letter and watch an animated stroke order for print or cursive. Good for kids learning to write.
Lighting Diagram Creator - Online Studio Setup Planner
Drag and drop light sources, camera, and subject to plan a photo shoot. Export diagram as image. Simple and visual.
Crossword Builder - Online Create & Solve Simple Puzzles
Build a small crossword by adding words and clues. Export as a printable grid or solve in browser. Perfect for classrooms.
Spaced Repetition Flashcards - Online Leitner Box Method
Create cards and review using a spaced repetition algorithm (Leitner box simulation). Cards stored locally. Improve exam prep.
Vertical Text Layout Generator - Online writing‑mode CSS
Create vertically oriented text layouts with `writing‑mode`. See the effect and copy the complete CSS. For vertical languages.
Glassmorphism Card Builder - Online Frosted UI Developer
Create a frosted glass card with background blur, border glow, and shadow. Adjust intensity. Copy the CSS.
Auto‑Fill vs Auto‑Fit Visualizer - Online CSS Grid
Resize the container and see the difference between repeat(auto‑fill, …) and auto‑fit. Understand responsive grid behavior.
Flashcard Review Timer - Online Leitner Box Spaced Repetition
Manually manage flashcards with 5 virtual Leitner boxes. See when to review each box next. All data local storage.
CSS Beautifier & Formatter - Online CSS Organizer
Beautify and format your CSS stylesheets instantly. Organize, minify, or prettify CSS code for better readability. Processed securely on client-side.
CSS Glassmorphism Generator - Online Frosted UI Design
Visually create the glassmorphism effect: background blur, transparency, and border. Copy the complete CSS. Modern UI design.
Text to Binary Grid - Online Visual Representation
Enter text and see each character's 8‑bit binary laid out in a black‑and‑white grid. Beautiful data art. Local.
Regex State Machine Visualizer - Online DFA Diagram
Enter a simple regular expression and see its equivalent Deterministic Finite Automaton diagram. Learn how regex engines work.
Folding Fitted Sheet Guide – Online Step‑by‑Step Animation
Animated SVG steps showing how to fold a fitted sheet perfectly. Clean visual reference.
Idea Flashcard Shuffler - Online Random Brainstorm
Enter a list of buzzwords or concepts and shuffle them into random pairs. Stimulate creative thinking. All local.