Random Tools — Free Online Randomizer Utilities
Making fair, unbiased random selections is essential for games, education, and decision-making. These random tools use the Web Crypto API (crypto.getRandomValues) to generate cryptographically secure random numbers — the same entropy source used by password managers and encryption libraries. Roll dice for tabletop RPGs like Dungeons & Dragons with full support for d4 through d100. Flip a coin with true 50/50 probability and track your flip history. Pick random items from lists for classroom draws, raffle winners, or content scheduling. Split groups into balanced teams for sports, hackathons, or group projects. Spin a customizable wheel with weighted probabilities for game shows and giveaways. Every result is genuinely random and verifiable — no pseudo-random shortcuts.
Random Number Generator
Generate truly random numbers between any two values
Dice Roller
Roll d4–d100 dice with totals, modifiers, and history
Flip a Coin
Flip a coin online and get heads or tails instantly.
Random List Picker
Pick random items from any list instantly
Random Team Generator
Split names into random teams with themes and shuffle animation
Spin the Wheel
Spin a custom wheel to pick a random winner instantly.
When to Use Random Tools
Use random tools when you need an unbiased outcome that no one can predict or influence. Teachers drawing student names for classroom participation. Game masters rolling dice during tabletop RPG sessions without physical dice. Event organizers selecting raffle winners transparently. Team leads splitting contributors into balanced project groups. Streamers running audience giveaways with a visual wheel spinner. Decision-makers settling debates with a coin flip. Researchers generating random samples for surveys or A/B test assignments.
Frequently Asked Questions
Are the random results truly random?
Yes. All random tools use the Web Crypto API (crypto.getRandomValues), which draws from the operating system's cryptographic random number generator. This is the same entropy source browsers use for TLS key generation and is suitable for security-sensitive applications.
Can I weight the probabilities on the wheel spinner?
Yes. Spin the Wheel lets you assign a numeric weight to each entry. An entry with weight 3 is three times as likely to win as an entry with weight 1. The probability distribution is shown on the wheel segments proportionally.
Do random tools work offline?
Yes. Once the page loads, all random generation happens in your browser using the Web Crypto API. No server calls are made, so you can disconnect from the internet and still generate random numbers, flip coins, or roll dice.