Add Line Numbers

About Add Line Numbers

The Add Line Numbers tool automatically inserts sequential line numbers to each line of your text. Perfect for code review, document referencing, legal documents, scripts, and any content that needs numbered lines for easy reference.

Why Use Line Numbers?

Line numbers are essential for clear communication when discussing text-based content. Whether you're reviewing code, editing scripts, or referencing specific passages in documents, line numbers provide a universal reference system that everyone can follow.

How to Use This Tool

1. Paste your text: Enter or paste the text you want to number into the input area.
2. Choose a format: Select a preset format or customize your own prefix and suffix.
3. Select position: Add numbers at the start (most common) or end of each line.
4. Optional cleanup: Enable "Remove empty lines" to skip blank lines.
5. Generate: Click "Add Line Numbers" and copy your result.

Format Examples

Available Format Options

Prefix Options

The prefix appears before the line number. Common choices include:

• Empty - Just the number (e.g., "1")
• # - Hash symbol (e.g., "#1")
• Line - Word prefix (e.g., "Line 1")
• [ - Bracket (e.g., "[1")

Suffix Options

The suffix appears after the line number. Common choices include:

• . - Period and space (e.g., "1. ")
• : - Colon and space (e.g., "1: ")
• ) - Parenthesis and space (e.g., "1) ")
• ] - Bracket and space (e.g., "1] " or "[1] " with prefix)
• | - Pipe separator (e.g., "1| ")

Frequently Asked Questions

How do I add line numbers to text?

Simply paste your text into the input area, choose your preferred format (prefix, suffix, position), and click "Add Line Numbers". The tool will automatically number each line of your text. You can add numbers at the start or end of each line.

What formats can I use for line numbers?

You can customize line numbers with prefixes (like "#" or "Line ") and suffixes (like "." or ":" or ") "). Common formats include "1. ", "#1 ", "Line 1: ", or just plain numbers. The tool supports any custom prefix and suffix combination.

Can I remove blank lines before adding line numbers?

Yes! Enable the "Remove empty lines" option to automatically strip blank lines from your text before adding line numbers. This creates a cleaner, more compact numbered list.

Can I add line numbers at the end of each line?

Yes, you can choose to add line numbers either at the start or at the end of each line. Select the "End of line" option to append numbers after your text content.

Is there a limit to how much text I can process?

The tool can handle large amounts of text efficiently. For extremely large documents, you may want to process them in sections for better performance.

Text Modification Tools:

• Add Line Breaks
• Add Line Numbers
• Add Prefix and Suffix to Text Popular
• AI Email Writer New
• AI Grammar Checker
• AI Paraphraser
• AI Punctuation Adder Popular
• AI Sentence Expander
• AI Text Humanizer Popular
• ASCII Art Generator
• Break Line by Characters Popular
• Caesar Cipher Tool
• CSS Beautifier New
• CSS Box Shadow Generator New
• Fancy Text Generator
• Find and Replace Text
• HTML Beautifier New
• HTML to Markdown Converter New
• Invisible Character Remover
• Invisible Text Generator Popular
• JavaScript Minifier/Beautifier New
• JSON Formatter/Validator New
• List Cleaner
• List Difference Calculator
• Text Case Converter
• Markdown Editor New
• Pig Latin Translator New
• 🔍 Plagiarism Checker Popular
• Remove Accent Popular
• Remove Duplicate Lines
• Remove Empty Lines
• Remove Leading Trailing Spaces Popular
• Remove Line Breaks Popular
• Remove Line Numbers
• Remove Lines Containing... Popular
• Remove Punctuation
• Remove Spaces Popular
• Reverse Line
• Reverse Text
• Schema Markup Generator New
• Small Text Generator ⁽ᶜᵒᵖʸ ⁿ ᵖᵃˢᵗᵉ⁾ Popular
• Strikethrough Text Generator New
• String Repeat
• Text Formatter Popular
• Text Repeat
• Text to SQL List Converter
• Title Case Converter
• Upside Down Text Generator
• Whitespace Visualizer Popular
• YAML Formatter/Validator New
• Zalgo Text Generator