Random Retro Cheat Code - Online Nostalgia
Generate a random sequence of button presses that looks like a retro game cheat code. Totally useless, totally fun.
UD5 Toolkit
Shuffle, cut, and draw cards with true randomness — Fisher-Yates algorithm powered.
Click pile to draw
1/n! probability of ending up in any given position. The randomness source
is JavaScript's cryptographically strong Math.random(), making it suitable for
casual games, probability demonstrations, and fair card draws — though for high-stakes
gambling, certified hardware random number generators are recommended.
Generate a random sequence of button presses that looks like a retro game cheat code. Totally useless, totally fun.
Align card elements across rows using CSS subgrid. See how headers and footers align vertically. Future of CSS layout.
Create 1-point, 2-point, or 3-point perspective grids. Adjust vanishing points and grid spacing. Useful for artists and architects.
Open the same page in two tabs and draw together in real time using BroadcastChannel API. Share ideas without a server.
Enter your average last frost date and generate a planting schedule for vegetables and flowers. Know exactly when to start seeds indoors or direct sow.
Arrange virtual fabric squares or triangles on a grid to preview a quilt pattern. Change colors and sizes. Export layout.
Overlay a grid on any image to help you draw it freehand. Adjust grid size and line thickness. Useful for artists.
Rotate and explore the RGB color space as a 3D cube. Pick colors directly from the volume. Interactive Three.js.
Upload a photo and convert it to a pixelated cross-stitch pattern with DMC floss color matching. Adjust size and color count. Local processing.
Create beautiful Spirograph patterns by adjusting circle radii and pen position. Change colors and save as PNG. Relaxing math art.
Write to shared storage and run a worklet to process data. Learn the privacy‑preserving alternative to third‑party cookies.
Enter a number of sides (3‑100) and get the correct polygon name (triangle, hectogon). Fun geometry reference.
Reduce an image to large colored squares. Create bold, minimalist wall art. Adjust block size. Download PNG.
A paint worklet that draws a moving 3D cube. See Houdini in action and copy the JS file. Modern CSS magic.
Enter dependencies in a simple text format and see a force‑directed graph of the project's dependency tree. For planning architectures.
Enter an unbalanced chemical equation and get the balanced coefficients instantly. Supports parentheses and ions. All local JavaScript algebra.
Get the exact RGB inversion (negative) of any color. Useful for dark mode theming and high‑contrast accessibility checks.
Enter two sides of a right triangle and get the third. Also gives area and perimeter. Simple and visual.
Simple grid canvas to sketch your home's layout and mark escape routes and meeting point. Print for practice. Local only.
Enter your hole cards and the community cards to see probability of winning, drawing, etc. Simple simulation in browser. Educational, not gambling.
Draw a random tarot card (or three-card spread) with meanings. For entertainment and self-reflection. Fun mystical experience, no data tracking.
Classic memory card game with emoji or color themes. Select grid size and try to find all pairs in minimum moves. Brain training fun.
Draw your signature on a canvas and overlay it onto a PDF document. All editing stays in your browser.
Click to draw random playing cards from a shuffled deck. The full deck is displayed. Use for decision or magic tricks.
Classic flip‑to‑match pairs game. Choose grid size and card theme. Tracks moves and time. All local.
Calculate odds of drawing specific cards or poker hands from a standard deck. Learn combinations. Local math.
Draw a digit (0‑9) on the canvas and a simple neural net guess the number. Educational demo. No upload.
Enter a list of buzzwords or concepts and shuffle them into random pairs. Stimulate creative thinking. All local.
Draw and edit SVG vector graphics in the browser. Basic shapes, text, and freehand. Export raw SVG code or as a file. No server, fully local.
Draw pixel art on a canvas grid, choose colors from palette, and export as PNG. Fun for game assets and retro artworks. All drawn data stays in your browser.