Line Number Generator
Add line numbers to text with custom start, step and separator.
Input Text
Output
This tool adds sequential line numbers to the beginning of each line in a block of text - useful for referencing specific lines in code snippets, numbering a list, or preparing text for review where line references matter.
Frequently asked questions
Yes - set a custom starting number if you need the numbering to continue from a previous section or match an external reference point.
Depending on the tool's settings, blank lines can either be numbered like any other line or skipped - check the options if you need one behavior specifically.
Typically a number followed by a separator (like a period or colon) before the line content, though the exact format may be adjustable depending on the tool.