Random Generators
Bingo Number Generator
Play bingo online with this easy to use bingo number generator
Coin Flip
Flip a coin online free, with a realistic animated 3D coin. Track heads vs. tails with a running tally, flip 10 at once, and view your flip history.
Dice Roller
Roll virtual dice online free. Choose d4, d6, d8, d10, d12, d20, or d100, add modifiers, or enter dice notation like 2d6+3 for instant tabletop rolls.
Draw Playing Cards
Online tool to randomly draw a card or hand of cards from a shuffled deck.
Magic 8 Ball
Ask the virtual Magic 8 Ball a yes-or-no question and shake it for an instant answer. All 20 classic responses, free to play online, no download needed.
Password Generator
Generate strong, secure, random passwords instantly. Choose length, uppercase, lowercase, numbers, and symbols. Includes a password strength meter and bulk generator. Free, no sign-up required.
Random Case Converter
Instantly convert any text to random case online. Every letter is randomly uppercased or lowercased as you type. Free, no sign-up, works on any device.
Random Letter Generator
Generate random letters of the alphabet. Choose uppercase, lowercase, or mixed case, filter vowels or consonants, and set how many letters you need.
Random Number Generator
Create lists of random numbers with just a click. Enter the min and max, how many you want, and whether duplicates are okay and this will take care of the rest.
Random Word Generator
Generate random words instantly. Filter by part of speech — nouns, verbs, adjectives, or adverbs. Choose how many words you need. Free online tool.
Spin the Wheel
Make a custom spinning wheel from your own list. Great for raffles, classroom picks, giveaways, and deciding what to eat. Free, no signup required.
Student Group Generator
Randomly divide students into groups in seconds. Enter student names, set group size, and instantly generate balanced random groups. Free for teachers. No sign-in needed.
UUID Generator
Generate UUIDs quickly and easily with this free online UUID generator. Also includes the JavaScript code if you want to do it yourself.
Writing Prompt Generator
Generate random writing prompts and story starters for students. Filter by genre, grade level, and type. Print or copy prompts for classroom writing assignments.
True Randomness in Your Browser
These tools use the browser's crypto.getRandomValues() API to produce cryptographically random results.
This is the same source of entropy used in security applications — not a pseudo-random algorithm that repeats
patterns, but hardware-seeded randomness that is unpredictable and non-reproducible.
Random Number Generator
The random number generator picks one or more random integers within any range you specify. Useful for games, simulations, picking a winner from a list, sampling data, lottery numbers, dice rolling, or any situation where you need an unbiased random selection.
Random Word Generator
Generates random words drawn from a dictionary. Useful for brainstorming, creative writing prompts, vocabulary games, placeholder names, and testing text-processing tools.
Password Generator
Generates strong random passwords of any length using a configurable character set (uppercase, lowercase, digits, symbols). Passwords are generated entirely in your browser and are never transmitted anywhere.
A strong password should be at least 16 characters long. Longer is always better — each character multiplies the number of possible passwords exponentially, making brute-force attacks impractical.
UUID Generator
Generates version 4 UUIDs (Universally Unique Identifiers) — 128-bit random identifiers formatted as
xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx. UUIDs are used as primary keys in databases, as identifiers in
distributed systems, and anywhere a globally unique ID is needed without coordination between systems.
Bingo Number Generator
Draws random Bingo numbers (B1–O75) in the traditional order, keeping track of which numbers have been called so no number repeats in a game. Useful for classroom activities, fundraisers, and family game nights.
Playing Card Draw
Simulates drawing cards from a shuffled deck. Keeps track of which cards have been drawn in the current session so you can deal a full game without repeats.
Frequently Asked Questions
- Is
crypto.getRandomValues()truly random? - It is cryptographically secure pseudo-random — seeded from hardware entropy sources (like CPU timing jitter or mouse movement) and designed so that outputs cannot be predicted or reproduced from prior outputs. For all practical purposes this is equivalent to true randomness.
- Can I reproduce a specific random result?
- No. The randomness is non-deterministic by design. If you need reproducible random sequences (for testing or simulation), use a seeded pseudo-random generator with a fixed seed — those tools are not on this page.
- Why is a random password more secure than one I make up?
- Human-chosen passwords follow predictable patterns — dictionary words, names, dates, keyboard walks. Attackers exploit these patterns in dictionary and rule-based attacks. A truly random password has no pattern to exploit. At 16+ characters from a large character set, even exhaustive brute-force search is computationally infeasible.