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Remove Duplicate Lines
Remove repeated lines while preserving order and optionally matching case.
How to use Remove Duplicate Lines
Enter your values in the fields above. Results are calculated in your browser as you type or when you select Process. Use Reset to clear the inputs and start again.
About Remove Duplicate Lines
Remove repeated lines while preserving order and optionally matching case. This free browser-based tool is designed for quick, private everyday use. Your input is processed on this page.
Frequently asked questions
What does Remove Duplicate Lines do?
Remove repeated lines while preserving order and optionally matching case.
Is Remove Duplicate Lines private to use?
This page processes your input in your browser. Input is not sent to an external processing service.