Number every line in your text. Customize the starting number, padding width, and separator style.
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Quick answers to common questions
Yes. Set the "Start at" field to any number — useful for code snippets that continue from a specific line.
Colon, dot, parenthesis, or tab space. Example: 01: First line or 1) First line.
Yes. Numbering happens entirely in your browser — nothing is uploaded.
Your data is processed entirely in your browser. Nothing is sent to any server.