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Remove duplicate lines

Paste a list and drop the repeats, keeping the first of each line. Useful for cleaning up email lists, keyword sets, log output, and anything else where the same line shows up more than once. It runs in your browser, so your list stays private.

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How it works

  1. Paste your text

    Paste or type into the box. Counts update as you go.

  2. Pick a conversion

    Remove duplicates keeps the first of each repeated line. Blank lines stay unless you remove them too.

  3. Copy and go

    Copy text puts the result on your clipboard. Download saves it as a text file.