Add Prefix/Suffix to Lines
Add a prefix, suffix, or both to every line of text instantly. Perfect for formatting lists, code, and data.
About This Free Online Add Prefix/Suffix to Lines
Our free online prefix/suffix tool lets you add text to the beginning (prefix) or end (suffix) of every line in your text. Use it to format lists with bullet points, add line-ending characters for code, wrap lines in quotes or brackets, prepare data for CSV export, or any bulk line formatting task. Changes update in real time as you type.
Features of Our Add Prefix/Suffix to Lines
- Add a prefix to the start of every line
- Add a suffix to the end of every line
- Use both prefix and suffix simultaneously
- Real-time updates as you type
- Copy formatted text to clipboard
- 100% private — browser-only processing
How to Use the Add Prefix/Suffix to Lines
Using this tool is simple and requires no signup or registration. Follow these steps:
- Paste your text lines into the input area.
- Type your prefix in the Prefix field (text added to the start of each line).
- Type your suffix in the Suffix field (text added to the end of each line).
- View the formatted output instantly and click Copy to save.
Frequently Asked Questions About Add Prefix/Suffix to Lines
Can I use both prefix and suffix?
Yes. You can set both a prefix and a suffix simultaneously. For example, prefix "<li>" and suffix "</li>" will wrap each line in HTML list item tags.
What is this used for?
Common uses include adding bullet points to lists, wrapping lines in HTML tags or quotes, adding line numbers (use with Add Line Numbers tool), formatting data for CSV/JSON, and preparing text for code templates.
Does it work with empty lines?
Yes. Every line in the text is processed, including empty lines. If you want to skip empty lines, use the Remove Empty Lines tool first.
Why Choose Text Toolbox?
Text Toolbox provides free, private, and instant online text tools. Unlike other text utility websites that require signup accounts or send your data to servers, all our tools process your text entirely in your browser. This means your content never leaves your device — we cannot see it, store it, or share it. Our tools are fast, lightweight, and work on any device with a modern web browser.