Append Items to List - Add Items to Beginning or End of List Online

What is the Append Items to List Tool?

The Append Items to List tool adds new items to the beginning or end of your list. Whether you need to prepend headers, append footers, or insert items at specific positions, this tool handles it all with support for custom separators and multiple item formats.

How to Use the Append Items to List Tool

Enter your list - Paste or type your existing list items
Enter new items - Type the items you want to add (one per line)
Choose append side - Add items to the beginning or end of the list
Configure separator - Set the item delimiter for input and output
Get your output - The extended list appears instantly

Common Use Cases

Prepend headers or titles to a data list
Append footer items or summary entries
Combine multiple item sources into a single list
Quickly add new entries to existing to-do or inventory lists

Frequently Asked Questions

Can I add items to both the beginning and end at the same time?

This tool adds items to either the beginning or the end in one operation. To add to both sides, run the tool twice with different settings.

Does the tool support regex for input separation?

Yes. You can use regular expression mode to split input items by complex or variable delimiter patterns.

Is my data safe?

Yes. All processing is done entirely in your browser. Your data never leaves your computer.