Remove Duplicate Lines
Keep the first occurrence of each line in your text.
Your input is processed in this browser. This tool does not upload, save, or log your text.
A smarter way to work with text
3 free tools to count, clean and convert text in your browser.
How to use Remove Duplicate Lines
- Enter your text or choose Load example.
- Select Process to validate and run the tool.
- Review the result, then copy or download it.
What this tool does
Clean a list by removing repeated lines while preserving the order of the first occurrences. Windows line endings are normalised.
Supported files, limits & important details
Comparison is case-sensitive and preserves spaces. Blank lines count as a line and are kept once.
Input limits are enforced before processing. Clear removes your input and result from this page. This tool does not store your input between visits.
Keep your workflow moving
Questions about Remove Duplicate Lines
How do I use Remove Duplicate Lines?
Enter your text or choose Load example. Select Process to validate and run the tool. Review the result, then copy or download it.
Are files or text uploaded when I use Remove Duplicate Lines?
No. Remove Duplicate Lines processes your input in your browser. The tool does not upload your document or text for processing. Keep your original and review the result.
What should I check before relying on Remove Duplicate Lines?
Clean a list by removing repeated lines while preserving the order of the first occurrences. Windows line endings are normalised.
Need help choosing a workflow? Read our practical PDF and file guides. How your data is handled.