Add Prefix / Suffix to Lines
Add text to the start and/or end of every line — turn a list into bullets, quotes, code, CSV fragments or anything else. Runs in your browser.
Runs in your browser — your file never leaves your deviceFrequently asked questions
Is Add Prefix / Suffix to Lines free to use?
Yes — Add Prefix / Suffix to Lines is completely free with no limits, no watermarks and no sign-up. It runs in your browser, so there is nothing to pay for.
Are my files uploaded or stored anywhere?
No. This tool does all its work locally in your browser using your own device's power. Your files never leave your device and we never see them.
Do I need to install anything or create an account?
No installation and no account needed. Add Prefix / Suffix to Lines works on any modern browser — Windows, Mac, Linux, Android and iPhone.
How do I use Add Prefix / Suffix to Lines?
Open the tool, add your file (or paste your content), adjust any options, then press “Add prefix/suffix”. Your result is ready to download in seconds.
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