Weighted Random Picker

Enter one item and weight per line to make weighted random selections locally and inspect each item probability.

Items and weights — use item | weight

—Weights determine relative probability.

Random/decision tools run locally. Secure tools use browser Web Crypto randomness and rejection sampling; the seeded generator is deliberately deterministic and is labeled separately.

How to use this Weighted Random Picker

Pick an item randomly with custom non-negative weights. Enter your values above and the result is calculated directly in your browser. No account is required.

Fast answer, clear inputs

This tool is built around one job: give the answer quickly without forcing a signup or hiding the result. Related tools are linked nearby when the next calculation or conversion is useful.