Text tool
Duplicate Line Remover
Remove repeated lines from pasted text while optionally preserving the original line order.
Result
Your result will appear here.
Privacy note: most tools process input locally in your browser.
About the Duplicate Line Remover
Find and remove duplicate lines from lists, logs or copied text while keeping the first occurrence.
How to use this tool
Paste the text, optionally enable case-insensitive matching, then click Remove duplicate lines.
Example
Input: apple, apple, pear becomes apple, pear.
Tips for better results
Whitespace is preserved in displayed lines; visually similar lines with extra spaces may be treated as different.
Frequently asked questions
Does it sort the list?
No, original order is preserved.
Can matching ignore case?
Yes, enable the checkbox.