tofo-boxtools

Add Line Numbers

text

Add line numbers to text. Customize start number, separator, and zero-padding.

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Options

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How to Use Add Line Numbers

  1. 1

    Paste or type your text into the input field.

  2. 2

    Adjust any available options in the Options panel.

  3. 3

    Click "Run Add Line Numbers" to process.

  4. 4

    Copy or download the result from the output panel.

Frequently Asked Questions

Is Add Line Numbers free to use?

Yes, Add Line Numbers is completely free. No account or signup is required.

Are my files stored on your servers?

No. This tool runs entirely in your browser — your files never leave your device.

What file types are supported?

This tool supports: add line numbers, number lines of text online, add line numbers to text, line number generator online, text line numbering tool, free add line numbers online, number text lines online, line counter tool online.

Can I use this tool on mobile?

Yes, the tool is fully responsive and works on any modern browser including mobile devices.

🖼️
Image Tool

Try Image Compressor

Reduce image size up to 80% — free, instant, no upload needed.

→