Line Numbering guide

Open Line Numbering

Add line numbers or remove a numeric prefix.

How to use Line Numbering

Add numbered lines to instructions or copied notes.

  1. Select Load example or paste your own test input.
  2. Choose Add numbers / Remove numbers and review the available options.
  3. Run the selected action; review any validation message.
  4. 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.

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