Remove Duplicate Lines
Remove duplicate lines from your text, keeping only the first occurrence.
How to use this tool
- Enter text in the fields above.
- Results update instantly as you type — or click Calculate.
- Read your deduplicated text and the full breakdown beneath it.
Remove duplicate lines from your text, keeping only the first occurrence.
Frequently asked questions
- Is the comparison case-sensitive?
- Yes — 'Apple' and 'apple' are treated as different lines.