Line Number Generator

Prefix rows with numbers.

Theme

Private by design: This tool runs in your browser — your data is not uploaded.

How to use Line Number Generator

Prefix each line with 1., 2., 3. or zero-padded 001 — handy for code snippets, meeting notes, or numbered lists.

Step-by-step

  1. Paste your text (one item per line).
  2. Set start number, padding, and suffix.
  3. Copy the numbered output.

Common questions

Can I start from zero?
Yes. Set the start number to any non-negative integer.
Does it add numbers to blank lines?
Yes. Empty lines still get a number prefix.

Last updated: 2026-06-05