Text Tools
Add Line Numbers
Prepend sequential line numbers to each line of text.
Private Instant
Loading tool…
About the Add Line Numbers
The Add Line Numbers is an online tool from Mytulify. Prepend sequential line numbers to each line of text. It runs entirely in your browser — fast, private, and unlimited on the Free plan. No account or installation needed.
Frequently asked questions
Is the Add Line Numbers free to use?
Yes. Add Line Numbers is free on our Free plan — unlimited use, no signup, and no watermark. Browser tools never require payment.
Is my data safe with the Add Line Numbers?
Absolutely. Add Line Numbers runs entirely in your browser — your data is never uploaded to any server.
How does the Add Line Numbers work?
Prepend sequential line numbers to each line of text. Just enter your input and the result is generated instantly on your device.