Add Prefix & Suffix

Add a prefix or suffix to every line of text at once

Add a prefix or suffix to every line of text at once

Your lines

Prefix

Suffix

Add line numbers

Privacy: Add Prefix & Suffix runs completely in your browser. Your input never leaves your device.

Add Prefix & Suffix FAQ

Is Add Prefix & Suffix free to use?

Yes, this tool is completely free. There are no fees, subscriptions, or limits — open the page and use it as much as you like.

Does Add Prefix & Suffix upload my data?

No. Add Prefix & Suffix runs entirely in your browser on your own device. Your text and numbers never leave your computer.

Does Add Prefix & Suffix work on mobile?

Yes. The tool is fully responsive and works on Android, iPhone, tablets, laptops, and desktop computers.