text Tools
Duplicate Line Remover
Remove duplicate lines from text instantly.
Runs 100% in your browser — your data never leaves this device
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Buy me a coffeeWhat is Duplicate Line Remover?
This tool removes duplicate lines from your text, keeping only unique lines. You can choose to keep the first or last occurrence and optionally preserve the original order.
How to Use Duplicate Line Remover
1. Paste your text with duplicate lines
2. Choose to keep first or last occurrence
3. Toggle case sensitivity if needed
4. Copy the cleaned result
Common Use Cases
- Cleaning up lists
- Removing duplicate emails
- Deduplicating CSV data
- Cleaning log files
Frequently Asked Questions
Does it preserve order?
Yes, by default it keeps lines in their original order, removing subsequent duplicates.
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