Red or Black

Red or black: draw a random card

DITHER shuffles a virtual 52-card deck and flips one card. Hearts and diamonds are red, spades and clubs are black — a classic party game and a handy 50/50 decider.

DITHER uses your browser's cryptographically secure random number generator (crypto.getRandomValues), so every result is independent and unbiased — nothing is pre-decided or stored before you tap.

Great for

• The classic red-or-black party game
• A card-flavoured coin toss
• Picking teams
• Quick random card for magic tricks

FAQ

What are the odds of red or black?

Exactly 50/50: 26 red cards and 26 black cards, and every one of the 52 cards is equally likely.

Does it show the actual card?

Yes, DITHER flips a full playing card so you see the rank and suit as well as the colour.