Remove duplicate lines from a list
Remove repeated lines from a list or text while preserving the original order.
Processed on your device. Nothing is sent to any server.
Remove repeated lines from a list or text, keeping only the first occurrence of each line and the original order.
Compares each line exactly (case and whitespace sensitive) and discards repetitions after the first occurrence.
Use cases
- Cleaning up a list of duplicate emails.
- Deduplicating a list of URLs.
- Removing repeated entries from a CSV pasted as text.
How it works
- 1
Paste your list
Type or paste the list with repeated lines on the left.
- 2
Copy the result
The deduplicated list appears automatically on the right.
Frequently asked questions
- Is it case-sensitive?
- Yes, the comparison is exact: 'Example' and 'example' are treated as different lines.