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Text Line Numberer

Add configurable line numbers to multiline text.

Lines: 0
Lines: 0

About This Tool

Text Line Numberer adds line numbers to lists, logs, and drafts with flexible options. Customize start index, zero padding, and separator, with options to skip empty lines or trim whitespace. Output updates instantly and stays entirely in your browser for privacy.

Features

  • 🔢 Start Index: Begin numbering from 0 or any custom value
  • 🧷 Zero Padding: Fixed-width line numbers for neat alignment
  • ✂️ Skip Empty Lines: Keep blanks without numbering
  • 🔧 Custom Separator: Use dot, colon, tab, or any separator
  • 📋 One-click Copy: Copy results quickly with sample loading
  • 🛡️ Privacy First: 100% local processing, no uploads

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