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.

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