Prepend and Append Text to Lines
Quick Tips
- • This tool runs entirely in your browser - your data stays private.
- • Press Ctrl+V (Cmd+V on Mac) to quickly paste text.
- • Use the Copy button to save your result to clipboard.
- • Bookmark this page for quick access!
Add text to the beginning or end of every line.
Your Recent Tools
Examples
line1 line2 line3
// line1 // line2 // line3
apple banana
<li>apple</li> <li>banana</li>
data1 data2
INSERT INTO table VALUES ('data1');
INSERT INTO table VALUES ('data2');
item item
- [ ] item - [ ] item
Why Use This Tool?
What problems does this solve?
Adding text to the beginning or end of every line is common for formatting, markup, or data preparation but tedious manually.
Common use cases:
- Adding HTML list tags to every line
- Prepending prefixes to file names or codes
- Adding suffixes for batch processing
Who benefits from this tool?
Developers formatting code. Content managers adding markup. Data processors preparing files. Anyone modifying multiple lines uniformly.
Privacy first: All processing happens in your browser. Your data never leaves your device.
Frequently Asked Questions
Yes, enter text in both the prepend and append fields to add content to both the beginning and end of each line simultaneously. Both operations are applied to every line in a single pass.
You can paste a tab character directly, or use \t in the input if escape sequence processing is enabled. The tool will add a tab character at the beginning of each line.
By default, empty lines receive the prepend/append text like any other line. You can enable the option to skip empty lines if you want them to remain empty in the output.
This tool adds the same text to every line. For sequential line numbers, use a dedicated line numbering tool. However, you can prepend a common prefix (like "Line: ") to prepare lines for further processing.
Prepend "- " (dash space) for unordered lists, or "1. " for ordered lists (though numbers won't increment). For task lists, prepend "- [ ] " to create unchecked checkbox items.
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