Line Numberer
Add or remove line numbers with custom start and separator.
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About This Tool
The line numberer helps you quickly add numbers to code lists, questions, or logs, and also strip existing line numbers. Configure start index, step, minimum width, and separator, with optional skipping of empty lines. Everything runs locally in your browser.
Features
- 🔢 Add or remove line numbers
- ⚙️ Custom start index and step
- 🔠 Minimum width with zero padding
- 🧩 Custom separator
- 🧹 Option to skip empty lines