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Add Line Numbers

Add line numbers to your text. Perfect for code or document review.

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Input

Press Ctrl+Enter to run

Fill in the fields and click Run

Your result will appear here instantly

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Word & Character Counter

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Paragraph Counter

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What is Add Line Numbers?

The Free Add Line Numbers tool adds sequential line numbers to any text. Useful for code review, document review, and referencing specific lines in long text. Choose starting number and step increment.

How to Use Add Line Numbers

  1. [1]Paste your text or code
  2. [2]Set the starting number and step
  3. [3]Click Add Line Numbers
  4. [4]Copy the numbered text

Common Use Cases

  • ▸Developers sharing code snippets for review
  • ▸Writers referencing specific lines in manuscripts
  • ▸Editors marking up long documents
  • ▸Students citing line numbers in assignments
  • ▸Anyone needing numbered text for reference

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▸Sort Lines▸Find and Replace Text▸Text Formatter▸Text Case Converter
Built byDhanu Decodes·Free forever, no sign-up required·Last updated June 2026

Frequently Asked Questions

How do I add line numbers?
Paste your text and each line gets a sequential number prefix. Perfect for code snippets and document review.
Can I copy the numbered text?
Yes, the output with line numbers can be copied directly from the result.
Is this tool free and private?
Yes, the tool runs entirely in your browser. No data is sent to any server, no sign-up is required, and there are no usage limits. Your text stays on your device.
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