Text Tools
Remove Duplicate Lines
Clean lists by removing repeated lines. Choose case sensitivity and whether to keep the first occurrence.
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How to Remove Duplicate Lines
Step 1
Paste Your Lines
Add or generate the text you want to work with.
Step 2
Choose Options
Review the live result or run the action.
Step 3
Copy Unique Lines
Copy or download when you are ready.
Remove Duplicate Lines Features
- Preserve first occurrence by default
- Optional case sensitivity
- Blank lines kept unless chosen otherwise
- Live result
- Copy and download
Supported Formats
Input formats
- Text
Output formats
- Text
Supported formats
- Text
Frequently Asked Questions
Are blank lines removed?
Not by default.
Can I ignore case?
Yes. Turn off case-sensitive matching.
Order preserved?
Yes when preserving first occurrence.
Private?
Yes.
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