Number Lines
Automatically add sequential numbers to the start of each line for referencing and sharing code or lists.
Add line numbers to every line of text instantly.
Input
Paste text that should be easier to reference line by line.
Output
Each line will be returned with a line number prefix.
Lines
0
FAQ
Common questions about this tool.
Does it keep the line content unchanged?
Yes. It only adds the line number at the start and keeps the rest of each line the same.
When is this useful?
It is useful for code review, error reporting, and discussing specific lines when sharing text.
How to use
Paste the text, number the lines, then copy the numbered result.
- Paste the text block you want to number.
- Click Number Lines to add sequential numbers to each line.
- Copy the numbered output for sharing or error discussion.
Use cases
Use it when you need to reference specific lines by number during discussion or review.
- Number code snippets before sharing for code review.
- Add line numbers to logs or error messages for easier reference.
- Create numbered lists from unformatted text for documentation.
Example
A quick example of how this tool works.
Input
alpha\nbeta\ngamma
Output
1. alpha\n2. beta\n3. gamma