Free Online Line Number Adder
Add line numbers to plain text with custom starting number, padding, separator, and blank-line handling. Processing happens locally in your browser, so pasted text is not uploaded.
Line Number Adder
Add line numbers to plain text with custom starting number, padding, separator, and blank-line handling.
Or paste text manually below. TXT, PDF, and DOCX files are processed in your browser and are not uploaded.