Can I start numbering from a value other than 1?

Yes, set any starting number in the options bar.

What separators are supported?

Any text you like, such as '. ', ') ', or a tab character.

How does removing line numbers work?

It strips a leading number followed by an optional punctuation mark from each line.

Line Numbering Tool

Add or remove line numbers from text with custom formatting.

Works Offline

Privacy First

No Login

No API

Mode

Start at

Separator

Zero-pad numbers

Input

Output

1. First line
2. Second line
3. Third line

About the Line Numbering Tool

Add sequential line numbers to any block of text with a custom start number, separator, and zero-padding, or strip existing line numbers back out. Handy for code snippets, scripts, and numbered lists.

Examples

Add numbers

apple
banana

Output

1. apple
2. banana

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Frequently asked questions

Version 1.0.0 · Updated 2026-08-06 · Runs entirely in your browser