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AllgoTool directory
Calculate, convert and clean up your work.
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35 tools · No account required · Most work in your browser
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Text
Remove Duplicate Lines
Keep each text line once, in its original order.
How to use the remove duplicate lines
- Enter the values or text requested by the tool.
- Choose the available options and run the tool.
- Review the result.
Worked example
The lines “Mug”, “Mug” and “Planter” become “Mug” and “Planter” in the original order.
Understanding the result
Comparison is exact and case-sensitive. Spaces can make two lines different; clean spaces first if you need normalised matching.
Frequently asked questions
Are “Mug” and “mug” duplicates?
No. This tool keeps case-distinct lines separate. It preserves the first occurrence of each exact line.
Is this remove duplicate lines free to use?
Yes. This version of AllgoTool is free to use and does not require an account. The tool’s limits are explained above.
Supported inputs and limitations
Text is processed locally. Nothing you enter is sent to a server.
Need another utility? Browse text tools or see all free tools.