Remove duplicate lines
Clean up lists of emails, products or keywords so each line appears only once.
Everything runs in your browser. Nothing you type or paste is sent to a server.
How to remove duplicate lines
- 1
Paste your list, one item per line.
- 2
Choose whether case matters and whether to drop empty lines.
- 3
Copy the de-duplicated list.
About this tool
The tool keeps the first occurrence of every line and preserves the original order, so your list stays as it was.
Turn on “Case sensitive” if “Pear” and “pear” should count as different. You'll see how many lines were removed.
Frequently asked questions
Does it change the order of my list?
No. Only repeats are removed; everything else stays in the same order.
Can I also sort the list?
Yes, run it through the “Sort lines” tool afterwards.