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Add or Remove Line Numbers

Text & Time

Add or remove line numbers from multiline text.

Parameters
Input
Output
Auto-calculate
0 characters · 0 bytes

Use cases

When to use Add or Remove Line Numbers

Add or remove line numbers from multiline text.

1Number code for a review comment
2Remove copied line numbers before running code
3Prepare a numbered checklist
4Generate stable IDs, dates, or text comparisons for test data
5Normalize documentation, logs, and field naming across teams
6Explain cron schedules and calculate IPv4 CIDR subnets

Guidance

Get reliable results

  1. 1Blank lines are retained and numbered
  2. 2Removal recognizes common dot, colon and bracket formats
  3. 3Compare the output when line numbers are part of the source data
The remover targets numeric prefixes and may also remove a legitimate number at the beginning of a line; review the result.

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