Random Logic Puzzle Generator - Online Grid Problems
Generate a small logic puzzle grid (like Einsteinās riddle) with clues. Solve in browser or print. Local generation.
UD5 Toolkit
Discover beautifully rendered physics equations ā click to explore
F = G\frac{m_1 m_2}{r^2}). Paste it into any LaTeX editor, Overleaf project, or Markdown document with math support.Generate a small logic puzzle grid (like Einsteinās riddle) with clues. Solve in browser or print. Local generation.
A giant Yes/No button that gives a random answer with a satisfying animation. The simplest decision helper ever.
Hit the popping moles as fast as you can before they disappear. Increasing difficulty. Great for handāeye coordination. Browser only.
Generate a random profession or skill set for RPG characters (blacksmith, alchemist, etc.). With relevant items.
Create a random video game premise with a setting, protagonist, and twist. For game jams and creative writing. All local.
Enter two hex colors and compute the CIE76, CIE94, and CIEDE2000 color difference. Understand how humans perceive color similarity.
Select ingredients you have, and get a simple recipe suggestion with steps. Local database. For emergency cooking.
Stuck deciding what to cook? Generates random meal suggestions from a curated list. Filter by protein, cuisine, or cooking time. Save favorites locally.
Canāt decide? Use a coin flip, yes/no randomizer, or a customizable wheel. Multiple fun methods to break analysis paralysis. Pure browser fun.
Create unique magic spell names with descriptions. Perfect for Dungeons & Dragons and creative writing.
Enter the URL of any image and receive a random harmonious palette extracted from it. Click to regen. For quick inspiration.
An interactive color wheel that teaches primary, secondary, tertiary colors, and harmonies. Pick and mix like a pro.
Visualize how aperture, focal length, and subject distance affect background blur. Interactive DOF calculator.
Get three random words as a creative writing prompt. Challenge yourself to use them in a story. No repeat for a while.
Build a combination resistor network by adding series/parallel groups and get total resistance. Visual circuit.
Generate a harmonious threeācolor palette with a matching simple favicon shape. Perfect for quick project identity. All local.
Generate random dungeon maps with rooms and corridors. Use for tabletop RPGs. Every layout is unique. Export as image.
Get a random adorable dog picture. Breed info shown if known. Pure mood booster. Clientāside API call.
Generate a random developerāthemed motivational (or demotivational) poster image using pure CSS. Fresh inspiration for your coffee break.
Generate a silly or absurd company policy item. Perfect for a quick laugh during a dull meeting. Local fun.
Build a CSS media query by selecting feature, operator, and value. Copy the exact syntax for your stylesheet.
Create a frightening or silly disease name for your story or TTRPG. Includes symptoms and transmission. Pure imagination.
Toggle imageārendering: auto, pixelated, crispāedges on a scaled image. Essential for pixel art display.
Get a beautiful, handāpicked color combination instead of purely random. Each palette has a name and copyable hex codes.
Design a layout where nested grids share track sizes with their parent via subgrid. Copy the complete CSS.
Adjust ISO, aperture, and shutter speed sliders and see how it affects the exposure of a sample scene. Learn photography basics.
Generate a random art style name (e.g., 'Baroque cyberpunk oil painting') for inspiration or AI image generation.
Upload a gradient or enter a palette and simulate how it appears with different types of color vision deficiency. Ensure inclusive data visualization.
Quick reference of common shutter speeds and when to use them (freeze motion, long exposure). Static photographic guide.
Adjust your lye amount based on lye purity (KOH/NaOH) and desired superfat percentage. Provides safety check for handmade soap recipes.