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Line Numberer

Add sequential numbers to every line of your text in the format you prefer.

Number your lines

Lines in: 0 · Numbered: 0
Numbering runs locally in your browser and uses no network.

How to use the Line Numberer

  1. Paste the text you want to number, one entry per line.
  2. Pick a numbering format or write your own pattern with the number placeholder.
  3. Set the starting number and step, then copy the numbered lines.

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Frequently Asked Questions

Common questions about the free online line numberer.

Paste your lines and they are numbered automatically. Choose a format and set the starting number you want.
Yes. Pick one of the ready-made formats, such as 1. or 1) or 1: or [1], or write your own pattern using the number placeholder.
Change the start field, and use the step field if you want the numbers to increase by two or more each line.
Yes. The blank line option leaves empty rows unnumbered and continues the sequence on the following line.
Yes. Enable padding and numbers are padded to the width of the final line number, for example 001 and 002.
No. Lines stay in their original order and only the numbers are added at the start of each line.
Yes. Paste the numbered text into the find and replace tool and replace the pattern with nothing.
No. Numbering runs locally in your browser and nothing is uploaded to a server.
Yes, the line numberer is free and has no usage limits.

Last updated: October 10, 2026