Play rock-paper-scissors against the computer with win/loss/tie scoreboard. Settle any debate in three throws — free, local, no signup.
Content reviewed October 2026 · About Toolzum
Get instant yes/no answers with streak tracking for micro-decisions. Settle it with one tap — free, local, no signup. Best-of-three settles playground disputes fairly — free, local, no signup.
Flip a virtual coin with heads/tails totals for instant decisions. Settle it fairly in one tap — free, local, no signup.
Use the Picker to draw random winners from lists, with optional no-repeat draws. Settle raffles in one click — free, local, no signup.
Measures return on investment by comparing net gain or loss against the original cost, expressed as both a percentage and a dollar amount. Essential for marketing campaign evaluation, equipment purchase decisions, real estate investment analysis, and comparing investment opportunities.
Compute cost per mille for ad campaigns — compare display, video, and social CPMs. Judge a $12 CPM against returns — free, local, no signup.
Yes — uniform random throws with no pattern learning, so streaks are pure chance. Play best-of-five for a fair settle.
Agree best-of-three before throwing: winner takes the call, no rematches. The scoreboard tracks W/L/T across rounds.
Yes — the scoreboard accumulates until you reset. Tournaments with friends run first-to-five.
No — the game runs entirely in your browser. Nothing leaves your device.
Number Guessing Game
Guess the number 1–100 with hotter/colder hints and attempt tracking. Five tries is sharp play — free, local, no signup, learn binary search by feel.
Coin Flipper
Flip a virtual coin with heads/tails totals for instant decisions. Settle it fairly in one tap — free, local, no signup.