Add Line Numbers
Free EditAdd sequential line numbers to each line of your text with custom formatting.
Numbering Options
Result
Enter text above and click "Add Numbers" to see the result
Keyboard Shortcuts
Everything You Need
Powerful features designed to make your text work easier and faster.
5 Numbering Styles
Choose from Arabic (1,2,3), Roman (I,II,III), Alphabetic (a,b,c / A,B,C), or Hexadecimal numbering formats.
6 Separator Options
Dot (1. text), Parenthesis (1) text), Colon (1: text), Bracket (1] text), Tab, Pipe, or define your own custom separator.
Custom Start Number
Begin numbering from any number — perfect for continuing from a previous section or offset numbering.
Step / Increment Control
Set custom increments — count by 1, 2, 5, 10, or any step value. Great for skip-numbering and custom sequences.
Zero-Pad Width
Pad numbers to fixed widths (01, 001, 0001) for clean, aligned column formatting in documents and code.
Skip Empty Lines
Optionally skip numbering for blank lines — keep your numbering clean and continuous through gaps.
Reverse (Count Down)
Number lines in reverse order — count down from any starting number. Perfect for countdowns and reverse indexing.
Number Words Instead of Lines
Switch from line numbering to word numbering — assign sequential numbers to each word in your text.
Live Preview
See numbered output update instantly as you type or change options — no need to click a button every time.
Download as File
Export your numbered text as a .txt file with one click. Perfect for saving formatted documents.
Keyboard Shortcuts
Ctrl+Enter to add numbers, Ctrl+Shift+C to copy, Ctrl+Shift+K to clear, Ctrl+I to focus input.
100% Private
All processing happens in your browser. Your text never touches a server — fully private and secure.
Simple as 1-2-3
No learning curve. Get results in seconds with our intuitive workflow.
Paste Your Text
Enter or paste the text you want to number into the input area.
Configure Options
Choose numbering style, separator, start number, step, padding, and toggle options.
Click "Add Numbers"
Press the button or use Ctrl+Enter. With live preview, results update automatically.
Copy or Download
Copy the numbered text to your clipboard or download it as a file.
Who Is It For?
Designed for professionals, students, and creators across industries.
Legal Documents
Number lines in contracts, transcripts, and legal text for precise referencing and citation.
Code & Scripts
Add line numbers to source code for bug reports, tutorials, and documentation references.
Writers & Editors
Number lines in manuscripts, scripts, and poetry for editorial review and feedback.
Data Formatting
Number rows in data files, CSV content, or lists for indexing and reference tracking.
Why Choose This Tool?
Real advantages that save you time and protect your privacy.
12 Features in One Tool
5 numbering styles, 6 separators, custom start, step control, zero-padding, skip empties, reverse, word numbering, and more.
Instant Results
Live preview updates as you type. No waiting, no page reloads, no server processing.
Flexible Numbering
From simple 1. 2. 3. to complex zero-padded Roman numerals with custom separators — handle any numbering scheme.
Free Forever
No signup, no limits, no premium tier. All features are free for unlimited use.
Frequently Asked Questions
Everything you need to know about this tool.
What numbering styles are supported?
Can I start numbering from a different number?
Does it support zero-padded numbers?
Can I number words instead of lines?
100% Private. 100% Free.
This tool runs entirely in your browser. Your text is never uploaded to any server. No signup, no tracking, no hidden costs — forever.