Add Line Numbers Online Free
Add line numbers to each line of your text automatically
What is Add Line Numbers?
The Add Line Numbers tool prepends a line number to each line of your text or code. It's useful for code reviews, documentation, referencing specific lines in discussions, and creating numbered lists.
You can customize the numbering format, starting number, and separator. Whether you need simple sequential numbers or formatted line references, this tool makes it quick and easy.
Perfect for adding numbers to code snippets for documentation, creating numbered reference lists, or preparing text for line-by-line discussion and review.
How to Use Add Line Numbers
- Paste your text or code into the input area
- Choose the starting line number and format
- Line numbers are automatically added to each line
- Copy the numbered text for documentation or sharing
Why Use Our Add Line Numbers?
- 100% Free: No registration, no limits, completely free to use
- Privacy First: All processing happens in your browser - no server uploads
- Fast & Easy: Instant results with a clean, simple interface
- Mobile Friendly: Works perfectly on desktop, tablet, and mobile
Frequently Asked Questions
How do I add line numbers to text?
Paste your text into the input area and click the button to add sequential line numbers to each line. The tool prepends numbers (1, 2, 3...) to every line, making it easy to reference specific lines in code, documents, or data.
Can I customize the line number format?
The tool adds standard sequential numbering with a separator. You can configure options like the starting number, separator character (period, colon, tab), and padding for alignment of multi-digit numbers.
What are common uses for adding line numbers?
Line numbers are useful for code review discussions, creating numbered lists, referencing specific lines in legal documents, educational materials, poetry formatting, and making text easier to discuss and navigate.