Free · Sample with replacement

Bootstrap Resample Maker

Make a repeatable sample where the same source value can be picked more than once.

Real sampleWithReplacement calculation
Private in your browser
Text, CSV, and JSON

Go to tool

Try the calculation

Start with the example or type your own numbers. The answer updates as you type.

Your numbersCommas, spaces, and new lines all work

Number listSeparate numbers with commas, spaces, or new lines.Sample sizeChoose from 1 to 10,000 picks.Repeatable seedUse the same whole number to get the same sample.

The library runs in this tab. Your numbers are not uploaded or saved.

Result

Ready for your numbersType or paste numbers on the left to see the answer.

Three simple steps

How to use it

Use the example or enter your own numbers.
Set any option that appears below the number list.
Press “Make the resample,” then read or download the result.

Your numbers stay on this device

simple-statistics runs inside this browser tab. Bookify does not upload or save your list. The tool explains the calculation, but a number cannot judge data quality, study design, or what caused a pattern.