Utilities / Processed on your device
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Remove Duplicate Lines

Remove repeated text lines while preserving their first occurrence and original order, without uploads.

Processed on your device · No file uploads

Your selected files and results are processed on this device. They are not sent to external servers or stored on our servers.

How processing works
  1. 01Select input
  2. 02Process locally
  3. 03Review & save
WorkspaceLOCAL PROCESSING

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Instructions

How to use Remove Duplicate Lines

  1. 01Enter text or choose your files.
  2. 02Paste text and run to keep only the first occurrence of each exact line.
  3. 03Review the result, then copy or download it.
Support & FAQ

Frequently asked questions

Are my inputs stored on a server?

No. Tool inputs, files and results are processed locally without uploading or storing them on our servers.

What are the limits?

Up to 100,000 characters. Matching is case-sensitive and includes leading and trailing whitespace.

How does this tool work?

Paste text and run to keep only the first occurrence of each exact line.

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