Line Number Adder - Add Line Numbers to Text Online
Add sequential line numbers to text with a custom prefix and separator
Text Tools
Line Number Adder - Add Line Numbers to Text Online
How to Use
1Paste your text into the input box
2Optionally set a prefix (e.g., 'Line ') and separator (e.g., ': ')
3Line numbers are added to each line and the result is ready to copy
Frequently Asked Questions
Yes! Use the prefix field to add text before the number (e.g., 'Line ' produces 'Line 1. text') and the separator field to change what goes between the number and the content.
Absolutely. Paste any code and add line numbers to create formatted code examples for documentation, tutorials, or code reviews.