Text TOOL
Add Line Numbers - Number Each Line
Add sequential line numbers to each line of text, with a custom start, separator, and zero-padding. Free — nothing leaves your browser.
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How to use this tool
- Enter or select your input.
- Run the tool and review the result.
- Copy or download the output when available.
About this tool
Add sequential line numbers to each line of text, with a custom start, separator, and zero-padding. Free — nothing leaves your browser.
Frequently asked questions
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This tool processes input in your browser. Files and text are not sent to our server by this page.