Copied to clipboard!
Add Line Numbers
Add or remove line numbers from text. Customize the start number, increment, separator, padding width, and alignment. 100% client-side.
Input
Drop a text file here or click to upload
Options
Numbering Options
Separator
Options
Preview
1. First line of text
2. Second line of text
3. Third line of text
2. Second line of text
3. Third line of text
Output
Statistics
Lines: 0 | Numbered: 0
How to Use Add Line Numbers
1. Paste Text
Enter or paste the text you want to add line numbers to.
2. Configure
Set start number, increment, separator style, and alignment options.
3. Number & Copy
Click Add Line Numbers, then copy the result or download as a file.
Common Use Cases
💻 Code snippet formatting
📄 Legal document numbering
📝 Script & screenplay lines
📋 Log file analysis
🎓 Educational materials
📑 Reference documentation