Number to Words Converter - Online Write Out Currency
Convert a numeric amount into English words, perfect for writing checks or legal documents. Supports USD/GBP styles.
UD5 Toolkit
Spell any word using chemical element symbols — from Hydrogen to Oganesson
Convert a numeric amount into English words, perfect for writing checks or legal documents. Supports USD/GBP styles.
Convert between scientific notation (a Ă— 10^n) and decimal form. Also supports engineering notation. Instant, local.
Complete a 10x10 multiplication grid against the clock. A fun way to master times tables.
Combine two random elements and get a surprising result. Inspired by Little Alchemy. Infinite ideas. All local.
Calculate the area of an irregular polygon by entering its vertex coordinates. Uses the shoelace formula. Pure math.
Design circular string art by ticking nails and seeing simulated thread lines. Adjust number of nails and steps. Export pattern. Local only.
Estimate make probability of a putt based on distance and skill rating. For disc golf enthusiasts. Fun statistical tool, no data upload.
Type a number and see its full English word representation (e.g., 123 → one hundred twenty‑three). Supports large numbers.
A collection of clean, family‑friendly riddles with a reveal‑on‑click answer. Random riddle each time. Perfect for break time.
Get a random tattoo concept with style and placement suggestion. For fun and inspiration only. Not real art.
Enter a first name and last name, plus a domain, to generate common email address patterns. For finding contacts.
Random shapes appear; compute the area mentally. Multiple choice. For middle schoolers.
Select a destination language and generate a printable mini phrasebook with essential greetings, directions, food, and emergency phrases. Local only.
Convert between digital storage units: bits, bytes, kilobytes, megabytes, gigabytes, and more. Binary and decimal interpretations available. A developer must-have.
Solve random arithmetic problems under a time limit. Track your score and improve mental calculation. No data collected.
Generate printable math worksheets for addition, subtraction, multiplication, and division. Choose difficulty and number of problems. Answer key included.
Enter two names and get a playful love compatibility percentage. Purely for entertainment! All calculation happens instantly in your browser.
Practice mental arithmetic with customizable operators and digit count. Timed rounds, score tracking. Works offline. Improve your brain speed.
Evaluate the Gamma function for real and complex inputs (real part). Extension of factorial. Academic mathematics tool.
Type a word to see all its homophones with definitions. Avoid embarrassing mistakes (their/there/they’re). Static dictionary.
See exact mm and inch dimensions of ISO A-series and US paper sizes. Visual comparison tool. Also calculates weight based on GSM and dimensions.
Translate hexadecimal numbers to decimal integers. Instantly see the magnitude. A simple, private utility for developers and mathematicians.
Draw pixel art with a grid, color palette, and eraser. Export as PNG. Perfect for game developers and hobbyists.
Enter a three‑letter currency code like USD or EUR and instantly see the corresponding symbol and number of decimals. Quick developer reference.
Enter CMYK values and find the closest Pantone Solid Coated color. For print design reference. Client‑side lookup.
Convert any text to a long string of binary digits. Perfect for learning binary representation. Local conversion.
Roll virtual dice with animated 3D spins. Choose any number and type. See total and individual results. Fun for games.
Enter a year to check if it is a leap year. Shows the rule explanation and next/previous leap years. Simple reference.
Peer into the virtual crystal ball to get a randomly generated, absurdly specific fortune. A fun start to your day.
Calculate output voltage from a two-resistor voltage divider. Enter input voltage and resistances to see Vout. Includes circuit schematic. No data sent.