Add Line Numbers

Add line numbers to each line of text with customizable formatting.

About This Tool

Add line numbers to any text input, enhancing readability and making it easier to reference specific lines. Great for code snippets, logs, and documents.

Enter your text and select the starting number and increment value if needed. The tool outputs each line with its corresponding number prefixed.

Use cases include formatting source code, annotating document sections, or marking up log files. No account creation is necessary; everything runs locally in your browser.

Frequently Asked Questions