Tool 18

Number List Generator

Generate a sequential list of numbers, one per line.

Generate a number list

Set a start, end, and step.

18 / no login
Generated
Your number list appears here.

How the number list generator works

Set a start value, an end value, and a step, then press "Generate list." You get a plain list of numbers, one per line, ready to paste anywhere — into a spreadsheet, a script, or another one of these tools.

The step controls the gap between numbers: a step of 1 counts every number, a step of 5 counts by fives, and so on. The direction (counting up or down) is figured out automatically from your start and end values.

Common uses

  • Generating row numbers or IDs for a spreadsheet
  • Creating a sequence to paste into code or test data
  • Building a numbered range for a raffle or ticket system
  • Quickly listing out years, ages, or any evenly spaced sequence

FAQ

Can I count backwards?
Yes — set a start value larger than the end value and the list counts down automatically.
What if my step doesn't divide evenly into the range?
The list stops at the last number that fits without going past your end value.
Is there a limit to how long the list can be?
For safety in your browser, generation is capped at 50,000 numbers — plenty for any normal use.

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