Line Numbering
Add line numbers or remove a numeric prefix.
How to use Line Numbering
Add numbered lines to instructions or copied notes.
- Select Load example or paste your own test input.
- Choose Add numbers / Remove numbers and review the available options.
- Run the selected action; review any validation message.
- Inspect the output before copying, printing or downloading it.
A small example
Java Angular → 1. Java 2. Angular
When the result looks wrong
Remove numbers removes only a leading integer followed by a dot or closing parenthesis.
Questions about Line Numbering
Is my input uploaded?
File and text processing runs in your browser. Opening the website still loads application assets from its host.
What if the result looks wrong?
Remove numbers removes only a leading integer followed by a dot or closing parenthesis.
Can I use sensitive production data?
Prefer non-sensitive test data. Never paste live access tokens, passwords or confidential documents into a site without assessing its code and environment.
Supported input and output
Text input; check the selected action and example for the expected syntax.
See the result panel and available copy or download controls for the selected action.