Generate Small Numbers
Create a list of small numbers. Runs entirely in your browser, so your data never leaves your device.
Output
The result appears here as you type.
How to use Generate Small Numbers
- 1. Set the batch size. Enter How many numbers to control how many values between 0 and 1 the tool generates.
- 2. Set decimal precision. Enter Decimal places to control how many digits appear after the decimal point, from a coarse two-digit value to a fine many-digit fractional reading.
- 3. Choose a separator. Set Separator to a comma or newline depending on whether the values are going into a probability table or a data file.
- 4. Copy the numbers. Copy the generated small numbers into a probability exercise, normalization test or Monte Carlo simulation script.
When to use Generate Small Numbers
Generate Small Numbers produces random decimal values fixed between 0 and 1 at a precision you choose, the range used constantly for probabilities and normalized weights. Use this tool whenever you specifically need values inside that unit interval rather than an arbitrary range.
- Testing a probability normalization function. A function that normalizes weights to sum to one needs random inputs already inside the 0 to 1 range to check its edge case handling without extra scaling logic in the test.
- Seeding a Monte Carlo simulation. A basic Monte Carlo estimate of pi needs uniform random values between 0 and 1 for both x and y coordinates, and generating a batch upfront makes the simulation reproducible for a demo.
- Illustrating probability in a statistics lesson. A lesson on random variables wants concrete decimal examples between 0 and 1 to show students what a probability value actually looks like before introducing distributions.
Examples
Five small numbers between 0 and 1
Output
0.274913 0.005482 0.918370 0.043016 0.660295
About the Generate Small Numbers tool
Generate Small Numbers runs as plain JavaScript in your browser tab, with no server behind it. Create a list of small numbers. Whatever you put in stays on your device from start to finish.
The tool is part of EditSafely's Number Tools section, 194 single-purpose utilities built around the same idea: open the page, get the result, keep your data to yourself.
You can shape the output with 3 settings, including How many numbers, Decimal places and Separator, and the result refreshes the moment you change one. A worked example further down the page shows exactly what the tool produces for a real input.
That local-first design has practical benefits beyond privacy. The tool keeps working on a flaky connection once the page has loaded, results are instant because nothing round-trips to a server, and it is safe to use with confidential material.
Frequently asked questions
Is Generate Small Numbers free to use?
Yes, it is completely free. All 2,658 tools on EditSafely work without an account, a subscription or usage limits.
Does the generator send anything to a server?
Everything happens locally. Your browser downloads the tool's code once, then does all the processing itself; nothing you enter is transmitted, stored or logged. You can even go offline after the page loads and it will still work.
How do I get a different result?
Run the generator again. Each run is computed fresh on your device, and any options you change are applied to the next result immediately.
Do I need to sign up or install anything?
No. The tool works in any modern browser on desktop, tablet or phone. There is no account to create, no extension to add and no software to install.
How do I use the result?
The output panel has a one-click copy button, and you can keep refining the input while you work; the result updates in place as you type.