Line numbering tool

Add Line Numbers Online

Apply sequential numbers to lists, instructions, code samples, questions, and copied text. Control the numbering sequence and formatting without a spreadsheet formula.

No upload Free to use Works on mobile

Format tool

Add Line Numbers

Options

Numbered lines

0 results

How to use Add Line Numbers

1

Paste the lines

Enter the content that should receive sequential labels.

2

Configure the sequence

Choose the first number, increment, zero-padding width, prefix, and separator.

3

Copy numbered text

Each non-empty row receives the next value in the sequence.

Common uses

Instructions

Number procedures, checklists, requirements, and agenda items.

Data labeling

Add stable row numbers to names, IDs, keywords, or exported records.

Code and documentation

Create numbered examples and reference-friendly text blocks.

Add Line Numbers FAQ

Can numbering start at zero or another value? +

Yes. Enter any starting integer and choose a positive or negative increment.

Can numbers include leading zeros? +

Yes. Set the padding width to create values such as 001, 002, and 003.

Are empty rows numbered? +

No. Empty rows are ignored so the sequence applies only to content lines.

Keep working

Related list tools