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Random Number Generator

Choose a range and draw one or more random integers.

Random Team Generator

Shuffle participants into teams with similar group sizes.

Today's Lucky Number

Find a personal daily number and a symbolic prompt for reflection.

Korean Lotto 6/45 Generator

Create random six-number combinations for Korean Lotto 6/45.

Days Until Calculator

Count the calendar days until or since a chosen date.

Date Difference Calculator

Find the calendar-day difference between two dates.

Percentage Calculator

Calculate percentage amounts, shares, changes, and final sale prices.

Character and Word Counter

Count visible characters, whitespace, words, lines, and UTF-8 bytes.

Random Password Generator

Create a random password with the length and characters you choose.

Age Calculator

Calculate completed years of age and the next birthday from a birth date.

Time Calculator

Compare clock times or move a time forward and backward.

Average Calculator

Calculate the mean and useful summary values for a list of numbers.

Random Name Picker

Draw one or more different entries from a list of names.

Random Wheel Spinner

Spin an equal-chance wheel to choose one option from your list.

Add or Subtract Dates

Move a date forward or backward by days, weeks, months, or years.

Unit Converter

Convert a value between supported length, mass, or temperature units.

Ratio Calculator

Simplify a ratio or scale two values in the same proportion.

Online Dice Roller

Roll one or more virtual dice and read their individual values and total.

CBM Calculator

Calculate total cubic meters from box sizes and quantities.