Remove Duplicate Lines
Remove duplicate lines from text. Options for case sensitivity, whitespace trimming, and empty line handling.
How to Use
1
Paste your text with duplicate lines into the input box.
2
Choose options: case sensitivity, trim whitespace, ignore empty lines.
3
Click 'Remove Duplicates' to process.
4
Copy the deduplicated result.
Frequently Asked Questions
How does case sensitivity work?
When case-sensitive, 'Hello' and 'hello' are treated as different lines. When case-insensitive, they're treated as duplicates and only the first occurrence is kept.
What does 'Trim whitespace' do?
It removes leading and trailing spaces/tabs from each line before comparing. This means ' hello ' and 'hello' would be treated as duplicates.
Does this preserve line order?
Yes. The first occurrence of each unique line is kept in its original position. Subsequent duplicates are removed.