Free tools & casino calculators
Spin wheel, random number generator, dice and coin flip right in your browser – plus calculators for realistic expectations: what RTP really costs, how long your bankroll lasts and what roulette bets are worth.
Spin the wheel
Free online spin wheel: add your own entries, spin and let chance decide. No sign-up needed.
OpenRandom number generator
Generate random numbers for free: choose a range and how many, with or without repeats. Ideal for draws and games.
OpenDice roller
Roll dice online: 1 to 6 dice with 4, 6, 8, 10, 12 or 20 sides. Free and instant on mobile and desktop.
OpenCoin flip
Flip a coin online: heads or tails at exactly 50:50. A free coin toss for quick decisions – with a running tally of your flips.
OpenRTP & loss calculator
Shows what a game statistically costs per hour at your stake.
OpenBankroll calculator
How long does your budget last at stake X? Realistic session planning.
OpenRoulette odds calculator
Win probability, payout and house edge for every roulette bet.
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