Why Prefix / Suffix Lines
- Add text to the start and/or end of every line.
- Optional skip blank lines.
- Great for building Markdown lists, log prefixes, etc.
Common questions
Is Prefix / Suffix Lines free to use?
Yes. Prefix / Suffix Lines is completely free. There is no sign up, no trial, and no usage cap.
Do I need an account to use Prefix / Suffix Lines?
No. You can start using Prefix / Suffix Lines straight away. We do not ask for an email address or a login.
Is my data uploaded to a server when I use Prefix / Suffix Lines?
No. Prefix / Suffix Lines runs entirely inside your browser, so the text you enter never leaves your device and nothing is sent to us.
Do you store the text I use with Prefix / Suffix Lines?
No. Because everything happens locally in your browser, there is nothing for us to store. Close the tab and it is gone.
Is there a character or word limit in Prefix / Suffix Lines?
There is no fixed limit. Because Prefix / Suffix Lines runs in your browser, only very large amounts of text may slow things down.
Does Prefix / Suffix Lines keep my text private?
Yes. Your text is processed locally in the browser and is not sent to a server.
How do I use Prefix / Suffix Lines?
Enter or paste your text and Prefix / Suffix Lines updates the result as you go. When it looks right, copy or download it with one click.
Does Prefix / Suffix Lines work on phones and tablets?
Yes. Prefix / Suffix Lines is responsive and works in any modern browser on mobile, tablet, and desktop.
Which browsers does Prefix / Suffix Lines support?
It works in current versions of Chrome, Firefox, Safari, and Edge. For the best experience, keep your browser up to date.
Is there a limit on how often I can use Prefix / Suffix Lines?
No. You can use Prefix / Suffix Lines as many times as you need, at no cost.
Can I use Prefix / Suffix Lines for commercial or client work?
Yes. You are free to use the output in personal, educational, and commercial projects.
Why is Prefix / Suffix Lines free?
The site is supported by advertising, which lets us keep every tool free and open to everyone.
What should I do if Prefix / Suffix Lines gives an unexpected result?
First check that your text is formatted as expected. If something still looks wrong, use the feedback link on the page and we will take a look.