Stake & Rainbet Tools
Free provably-fair verifier, game predictors, VIP/rakeback and sports-betting calculators — everything a crypto-casino player needs, in one place. No login.
Predictors & Game Odds
Real probabilities and multipliers for Stake/Rainbet Mines — safe-tile odds & expected value.
Open tool →Win chance, multiplier and house edge for any Dice target — over/under.
Open tool →Target multiplier vs win probability and house edge for Limbo.
Open tool →Casino Tools
Verify any Stake/Rainbet bet result from server seed, client seed & nonce (HMAC-SHA256).
Open tool →Estimate your VIP rakeback and monthly bonus from your wagered volume.
Open tool →Convert RTP to house edge and project expected loss over any wager volume.
Open tool →Log your sessions and track net profit/loss over time, saved on your device.
Open tool →Sports Betting Calculators
Convert American, decimal, fractional odds and implied probability instantly.
Open tool →Strip the bookmaker margin to find the true, vig-free probability and fair odds.
Open tool →Turn any odds into implied probability and back.
Open tool →Combine multiple legs into total parlay odds and payout.
Open tool →Optimal stake size from your edge and odds using the Kelly criterion.
Open tool →Find arbitrage between two books and the stakes for a guaranteed profit.
Open tool →