Line Numbering Tool
Add sequential line numbers to text or code with customizable options.
Input Text
Result
Numbered text will appear here...
Related Tools
About Line Numbering Tool
What This Tool Does
- Adds sequential line numbers to text or code
- Customizable start number for line numbering
- Adjustable padding with different padding characters
- Options for handling empty lines
- Various separator options between line numbers and text
Common Use Cases
- Adding line numbers to source code for reference
- Creating numbered lists from plain text
- Formatting code snippets for documentation
- Preparing text for citation or reference in academic papers
- Making log files more readable with line numbers
How to Use
- Paste or type your text in the input box
- Configure the options:
- Start from: The number to start counting from (default: 1)
- Padding: How many characters wide the number should be
- Padding Character: What character to use for padding
- Separator: The character(s) between the number and the text
- Number empty lines: Whether to number blank lines
- Click "Add Line Numbers" to process your text
- Copy the result to your clipboard with the "Copy Result" button
Frequently Asked Questions
What is the Line Numbering tool used for?
The Line Numbering tool adds sequential numbers to each line of your text or code. This is useful for documentation, code snippets, referencing specific lines in discussions, creating numbered lists, or any situation where you need to identify specific lines in your content.
Can I customize the starting number for line numbering?
Yes, you can choose any starting number for your line numbering. This is useful when you're continuing from a previous section or need to match existing line numbers in documentation or code references.
What formatting options are available for line numbers?
The tool offers various formatting options including different separators (periods, colons, brackets), padding with leading zeros, and different alignment styles. You can customize the appearance to match your specific needs or style preferences.
Does the tool preserve the original formatting of my text?
Yes, the tool only adds line numbers to the beginning of each line while preserving all other formatting, spacing, indentation, and content of your original text. Your text remains exactly as you entered it, just with line numbers added.
Can I remove line numbers from already numbered text?
While this tool primarily adds line numbers, you can use it to help identify patterns in numbered text. For removing line numbers, you might want to use a find-and-replace tool or text editor with regular expression support.
Is this tool useful for programming and code documentation?
Absolutely! Line numbering is essential for code documentation, error reporting, code reviews, and discussions where you need to reference specific lines. It makes it easy for others to identify and discuss particular parts of your code.
Can I use this tool for creating numbered lists from plain text?
Yes, the line numbering tool is perfect for converting plain text items into numbered lists. Each line becomes a numbered item, making it easy to create organized, sequential lists from unstructured text.
What happens with empty lines in my text?
Empty lines are treated as regular lines and receive line numbers just like lines with content. This maintains accurate line counting and referencing, especially important for code or formatted documents where empty lines have meaning.
How can I copy the numbered text for use elsewhere?
After generating line numbers, you can select all the numbered text from the output area and copy it to your clipboard. The numbered text can then be pasted into any application, document, or code editor while maintaining the formatting.
Is there a limit to how many lines I can number?
The tool can handle large amounts of text, though very large documents may take a moment to process. For best performance, consider breaking extremely large documents into smaller sections if you encounter any slowdowns.
Can I use this tool for academic or professional documentation?
Yes, line numbering is commonly used in academic papers, legal documents, technical specifications, and professional documentation where precise line references are needed for citations, reviews, or discussions.
Does the tool work with different types of text content?
The tool works with any type of text content including plain text, code in any programming language, poetry, scripts, logs, configuration files, or any other text-based content that would benefit from line numbering.