Random & Utility Calculators

Need a lucky number, a raffle winner, or a random sample? Set your range, choose how many numbers you want, and generate — every draw uses your browser’s cryptographic random generator, the same kind used for security keys.

No dice on hand? Roll up to 6 virtual dice — from a classic d6 with real pips to a d100 or any custom size — add a modifier like tabletop notation (3d6+2), and watch them shake.

Can’t decide? Flip a virtual coin — a smooth 3D toss with exactly 50/50 odds, a live scoreboard of heads and tails, and streak tracking for the dramatic moments.

Make a password no one can guess: up to 128 characters, every character type you pick guaranteed to appear, and a live strength meter showing entropy bits and how long it would take to crack.

Need a color fast? Hit Generate (or press Space) for a fresh random color with its HEX, RGB and HSL codes ready to copy. Every color also suggests a 5-color harmonious palette, and your last 12 colors stay one click away.

Raffles, giveaways, classroom picks, decisions — paste your list (one entry per line) and hit Pick. A spin-style animation sweeps the entries and lands on the winner, drawn with a crypto-secure random generator before the animation even starts.

Practice in perfect time. Set 30–300 BPM with the slider, tap the tempo with your fingers, or jump to a classical marking like Allegro. Accent patterns, subdivisions and multiple click sounds are built in — and a lookahead scheduler keeps every beat exactly on time.

Turn any hex code into every color value you will ever need — RGB, HSL, HSV, CMYK, XYZ, Lab and OKLCH — plus ready-made color schemes and copy-paste CSS.

Start from any color and get a balanced five-color palette in one tap — then lock the keepers, regenerate the rest, and export straight to your stylesheet.

Paste in your text and background colors to get the exact WCAG contrast ratio, see which AA and AAA bars you pass, and fix failures with one tap.