Online Text Line Numbering
Add line numbers to text with custom styles and formatting
Text Input & Settings
Line Number Style
Advanced Options
Numbered Text Output
No text processed yet
Enter text and click "Add Line Numbers" to start
Quick Line Number Styles
Code Formatting
1. function hello() {
2. console.log("Hello");
3. }
Perfect for code documentation and referencing
Document Formatting
(1) Introduction
(2) Main Content
(3) Conclusion
Ideal for academic papers and reports
List Formatting
1# First item
2# Second item
3# Third item
Great for structured lists and outlines
Script Formatting
1- Scene 1
2- Dialogue
3- Action
Perfect for scripts and screenplays
Data Formatting
[1] Data point 1
[2] Data point 2
[3] Data point 3
Excellent for data files and logs
Custom Formatting
Line 01: Custom text
Line 02: With padding
Line 03: And prefix
Create your own unique numbering style
When to Use Text Line Numbering
Code Documentation
Add line numbers to code for documentation, debugging, and team collaboration
Academic Writing
Format academic papers, research documents, and reports with line numbers
Legal Documents
Number legal documents, contracts, and official papers for reference
Scripts & Screenplays
Format scripts, screenplays, and theatrical works with proper numbering
Data Analysis
Number data files, logs, and datasets for analysis and reference
Content Editing
Add line numbers to manuscripts, articles, and content for editing
Frequently Asked Questions
What is a text line numbering tool?
A text line numbering tool is a utility that automatically adds line numbers to text content. It helps organize and reference text by adding sequential numbers to each line, making it easier to navigate, reference specific lines, and maintain structured documents. This tool is particularly useful for code editing, document formatting, and text analysis.
How do I use this text line numbering tool?
Using our text line numbering tool is simple: 1) Enter or paste your text in the input area, 2) Choose a preset line number style or customize your own, 3) Configure options like prefix, suffix, padding, position, and blank line handling, 4) Click 'Add Line Numbers' to generate the numbered text, 5) Copy the result or download it as a file. The tool provides real-time preview and various formatting options.
Is this text line numbering tool free to use?
Yes, our text line numbering tool is completely free to use with no registration required. You can process unlimited text, use all features including custom formatting and file operations, and access all functionality without any cost. There are no hidden fees, premium features, or usage limits.
What line number styles are available?
Our tool offers multiple preset styles including: '1.' (number with dot), '1#' (number with hash), '1-' (number with dash), '(1)' (number in parentheses), and custom styles. You can also create your own format with custom prefixes and suffixes, choose between ascending or descending order, and set zero-padding for alignment.
Can I customize the line number format?
Yes, our tool provides extensive customization options: custom prefixes and suffixes, ascending or descending numbering, zero-padding for alignment, line number position (beginning or end of line), blank line handling, and custom separators. You can create any format you need for your specific use case.
Can I upload and download files?
Yes, our tool supports file operations. You can upload text files (UTF-8 encoding) to process them, and download the results as text files. This makes it easy to work with large documents and save your processed text for later use. The tool maintains the original text formatting while adding line numbers.
How does the tool handle blank lines?
The tool gives you control over blank line handling. You can choose to either include blank lines in the numbering sequence or skip them. When including blank lines, they receive sequential numbers. When skipping them, only non-blank lines are numbered, maintaining the original line structure while providing clean numbering.
What are common use cases for line numbering?
Common use cases include: code documentation and referencing, academic paper formatting, legal document preparation, script and screenplay formatting, data file organization, log file analysis, and any situation where you need to reference specific lines in text. The tool is particularly useful for developers, writers, researchers, and data analysts.
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