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Line Number Adder

Automatically add line numbers to each line of text. Customize starting number, format, and zero-padding.

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How to Use

Step 1

Enter Text

Enter Text

Enter text to add line numbers

Step 2

Format Settings

Format Settings

Set starting number and separator

Step 3

Copy

Copy

Copy the numbered text

Features

Custom Format

Customize format (1. / 1: / 1) etc.)

Start Number

Start numbering from any number

Live Preview

Preview results instantly

FAQ

Code reviews, document line references, list creation.