Crash Tools
Interactive tools to calculate expected value, plan session bankrolls, verify provably fair rounds, and set cashout targets.
Kelly Criterion Bet Sizer
Size your bets mathematically. Input your edge and odds, get the optimal stake as a percentage of bankroll. Full Kelly, fractional Kelly, and risk warnings built in.
Universal Odds Format Converter
Convert between Decimal, American, and Fractional odds instantly. Includes a two-way market calculator to strip the vig and reveal true probabilities.
Expected Value & Variance Simulator
Calculate expected value per bet and over 100 rounds. Deconstruct house edge with real-time sliders for probability, payout, and stake.
Client-Side Bankroll & Bet Logger
Log every bet, track your bankroll over time, and see win rate, ROI, streaks, and P/L. All data saved locally in your browser — zero server transmission.
All calculations run in your browser
All mathematical calculations, probability models, and bankroll data on crashsharps.com execute exclusively in your local browser. No seeds, parameters, bets, or session data are transmitted to any server.
Apply Your Strategy
Put what you learned into practice at a licensed platform with provably fair crash games and fast payouts.