Digital Toolchest

Number List Generator

Create number sequences instantly. Set a start, end, and step to generate clean lists for testing, charts, and data prep.

Generate a list of numbers

Choose a range and separator to create a number list instantly.

Ranges are inclusive. Use a negative step for descending sequences.

Generated output

Preview your file contents before downloading.

0 lines0 bytes

How to generate a number list

Generate numbers in 3 steps

Takes ~5 seconds
  1. 1
    Set the range

    Enter your start, end, and step values.

  2. 2
    Choose a separator

    Pick line breaks, commas, or spaces.

  3. 3
    Generate and export

    Generate the list, then copy or download.

Use negative steps for descending sequences like 10 to 1.

Who should use this generator?

  • Developers testing numeric ranges
  • Analysts preparing chart data
  • Students creating practice sets

Examples

Generate numbers 1 to 10.

Start 1, End 10, Step 1 -> 1 to 10

Create even numbers with a step of 2.

Start 2, End 20, Step 2 -> 2, 4, 6, ... 20

Build a descending list.

Start 10, End 1, Step -1 -> 10 to 1

Generate clean number sequences

Use this number list generator to produce ordered ranges for testing, data import, and charts.

The number list generator creates sequences based on start, end, and step values. Output lists as line breaks or comma-separated values and download the results instantly.

Flexible ranges

Build sequences with custom start, end, and step values.

  • Ascending or descending
  • Custom step size
  • Inclusive end values
Easy export

Copy results or download a file for spreadsheets and scripts.

  • Line-based output
  • CSV-friendly separators
  • Instant download

Number list tips

Keep ranges tight to avoid oversized outputs.

  • Use smaller steps for dense ranges.
  • Switch to line breaks for easier parsing.
  • Download large lists instead of copying.

Frequently asked questions

Is the end value included?>
Yes. The generator includes the end value when it fits the step.
Can I create descending lists?>
Yes. Use a negative step to count down from start to end.
Does this run locally?>
Yes. Everything runs in your browser.
Is my data sent anywhere?>
No. The generator does not send your inputs to a server.