Remove Duplicate Lines Online
Drop duplicate lines, keeping the first occurrence. Runs in any browser, no install.
Inputs
Results
About this tool
Paste a list to remove exact duplicate lines, keeping the first occurrence. No install — it runs in any browser and nothing is sent to a server.
How to use
- 1Enter your inputs.
- 2Adjust the remaining inputs to match your case.
- 3Read the result in the results.
- 4Everything runs in your browser — nothing is uploaded or stored.
Frequently asked questions
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