UD5 Toolkit
Coin Flipper - Online Heads or Tails Simulator
Flip a virtual coin to make a decision or settle a dispute. Realistic animation and fair random outcome. Simple, fast, and always available.
Weight Converter - Online Mass & Weight Unit Calculator
Weight Converter
Convert mass and weight between metric, imperial, and other units instantly.
1 Kilogram = 2.20462 Pounds
Frequently Asked Questions
One kilogram equals approximately 2.20462 pounds. For quick mental math, you can multiply kilograms by 2.2 to get a close estimate.
A stone (st) is an imperial unit primarily used in the UK and Ireland for body weight. 1 stone = 14 pounds or approximately 6.35 kilograms.
To convert grams to ounces, divide the number of grams by 28.3495. For example, 100 grams is about 3.53 ounces.
A short ton (US) equals 2,000 pounds (â907.18 kg). A long ton (UK) equals 2,240 pounds (â1,016.05 kg). A metric ton (tonne) is exactly 1,000 kilograms (â2,204.62 lbs).
One gram equals exactly 5 carats. Carats are commonly used for gemstones and pearls, where precision is critical.
Absolutely. The tool includes grams, ounces, grains, and troyârelated units are not directly listed, but you can approximate using the available mass units. For exact troy ounces, note that 1 troy ounce â 31.1035 grams.
cURL to HTTP Request Object - Online Convert to JS/Python
Paste a cURL command and convert it to a fetch() call in JavaScript, Python requests, or Go net/http. Save time.
Element Hangman - Online Guess the Chemical Symbol
Play Hangman where the words are element names. Learn the periodic table while having fun. High score localStorage.
Product Hunt Tagline Generator - Online AIâfree Hype
Get a catchy, Product Huntâstyle tagline for your side project. Like 'Uber for left shoes'. Instant creativity.
Famous Book Quote Finder â Online Search by Keyword
Enter a keyword or author to find classic quotes from public domain works. Inspiration tool.
MultiâTouch Event Playground - Online Visualize Touches
See every touch point with coordinates, radius, and force on your mobile device. Debug gestures with live overlay.
Periodic Table Explorer - Online Element Facts & 3D Model
Browse a beautifully designed periodic table with electron shell visualization and key facts. Click any element to learn more. Offline ready.
Pointer Events Playground - Online Mouse, Touch & Pen
Unified input demo: see pressure, tilt, and type from any pointer. Compare pointerType values. Essential for drawing apps.
Element Discovery Story â Online Random History of Elements
Click to get a random element and a short story about its discovery and uses. Fascinating science.
Random Travel Phrase Generator - Online Language Phrases
Pick a language and get a random useful travel phrase with pronunciation. For fun language learning. Static data.
Snake Game - Online Classic Arcade in Browser
Play the classic Snake game inside your browser. Arrow keys to move, eat the apple, grow longer. High score tracked locally.
Random English Word - Online Dictionary Mini
Click to see a random English word with its definition and an example sentence. Expand your vocabulary daily.
Guess the Idiom Game â Online Literal vs Figurative
See a literal illustration of an idiom and guess the phrase. Fun for English learners.
Random Element Picker - Online Surprise Chemistry Fact
Spin a wheel or randomize to get a chemical element with fascinating facts and description. Great for kids.
Random CSS Animation Library - Online Copy Button Effects
Browse a curated set of button hover animations. See each effect live and copy the CSS. Minimalist collection.
GLSL Fragment Shader Playground - Online WebGL Art
Write a fragment shader and see the result rendered on a fullâscreen quad. For WebGL learners. Local compilation.
Random English Idiom Generator - Online Learn Phrases
Get a common English idiom with its meaning and example. Perfect for ESL learners. Local collection.
CSS Cursor Demo - Online Preview All Pointer Styles
Hover over tiles to see every CSS cursor value in action. Quick visual reference for choosing the right UI feedback.
CSS Cursor Playground - Online Preview All Pointer Styles
Hover over tiles to see every CSS cursor value in action. Quick visual reference for choosing the right UI feedback.
CSS ScrollâDriven Animations Playground - Online Demo
Create animations that progress with scroll position. Experiment with animationâtimeline and viewâtimeline. Cuttingâedge CSS.
Famous Painting Quiz â Online Guess Artist & Title
See a clip of a famous artwork and choose the correct title. Art history fun. Local images.
Abstract Geometric Icon Generator - Online Random SVG
Click to get a randomly generated unique abstract icon (geometric pattern). Download as SVG. For placeholder avatars and designs.
Random Shakespeare Quote Generator - Online Bard's Wisdom
Get a random quote from Shakespeare's works with play and character attribution. Copy in beautiful typography.
scrollâstate Container Query Demo - Online Test stuck/snapped
Experiment with scrollâstate container queries to style elements when they are stuck, snapped, or overflowed. Experimental.
Emoji Movie Title Guessing Game - Online Decode Films from Pictures
Guess the movie title from a sequence of emojis. Hundreds of puzzles, score tracking. Pure frontend fun.
Random Dinosaur Name Generator - Online Prehistoric Fun
Generate a realisticâsounding dinosaur name and see a fun description. Perfect for kids and writers.
Guess the Song from a Lyric - Online Music Trivia Game
A short lyric is shown, guess the song title. Score tracking. Multiple genres. Local database of snippets. No playback needed.
Color to Pitch Synaesthesia - Online Hear a Hex Code
Enter a hex color and hear a tone mapped to its hue. Explore the connection between color and sound. Fun perceptual experiment.
Movie Quote Generator - Online Random Famous Film Lines
Get a random famous movie quote along with the film name and year. Test your movie knowledge. Static data, no API.
Random Trivia Question - Online Quiz Yourself
Click for a random general knowledge question, then reveal the answer. Covers science, history, pop culture.