Text Formatting Tool
Remove Duplicate Lines Online
Remove repeated lines, keeping only unique ones in original order.
Features
Case-Sensitive Deduplication
'Apple' and 'apple' are considered distinct lines.
Preserves Original Order
The first occurrence of each unique line remains in its original position.
Handles Large Files
Efficiently processes large lists with thousands of lines.
How to Use
- 1
Paste your list
Enter your text with duplicate lines.
- 2
Duplicates are removed
Only the first occurrence of each line appears in the output.
- 3
Copy the unique list
Use the deduplicated result directly.
Examples
Duplicate list
Input
apple
banana
apple
cherry
bananaOutput
apple
banana
cherryCommon Questions
Yes. 'Apple' and 'apple' are treated as two different lines and both are kept.
Yes. The first occurrence of each unique line is kept in its original position. Subsequent duplicates are removed.