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Remove Duplicate Words

Strip repeated words, either the accidental ones or every repeat.

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Words removed

None.

Quick Tool Overview

Remove Duplicate Words handles both problems that share the name: the accidental "the the" that survives an edit, and the repeated entries in a keyword or tag list. Adjacent mode is the safe proofreading pass; global mode keeps only the first occurrence of each word anywhere in the text.

What it does
Removes repeated words, adjacent or throughout
You give it
A draft you are proofreading, or a keyword list
You get back
The text with repeats removed and each one listed
Best for
Proofreading and de-duplicating tag or keyword strings
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About the Remove Duplicate Words

There are two different problems that both get called duplicate words, and they need opposite treatment. The first is the accidental double — "the the", "and and" — which happens when a sentence is edited in the middle and is almost invisible to the person who wrote it. The second is a keyword list or tag string where every repeat should go.

This tool does both. Adjacent mode removes only consecutive repetitions, which is the safe proofreading pass — it will never delete a legitimate second use of a word later in the paragraph. Global mode keeps only the first occurrence of each word anywhere in the text, which is what a tag list or a keyword string needs. Case sensitivity and punctuation handling are both switchable.

Key features of the Remove Duplicate Words

Two genuinely different modes

Adjacent catches typing errors without touching legitimate repetition; global de-duplicates a list completely.

Punctuation-aware comparison

"cat," and "cat" compare as the same word, but the surviving word keeps its punctuation.

Case folding on demand

Catch "The the" as a duplicate, or keep case significant when your data treats "Apple" and "apple" as different.

Everything removed is listed

You see exactly which words came out, so nothing disappears without your knowing.

Layout untouched

Line breaks and spacing survive, so a de-duplicated list is still a list.

How to use the Remove Duplicate Words

  1. 1

    Paste your text

    A draft you are proofreading, or a list of keywords and tags.

  2. 2

    Choose the mode

    Adjacent removes only consecutive repeats; global keeps the first occurrence of each word anywhere.

  3. 3

    Set the matching rules

    Decide whether case and punctuation should be ignored when two words are compared.

  4. 4

    Review what was removed

    Every removed word is listed, so you can check the tool did not take something you wanted.

Frequently asked questions

Adjacent removes only a word immediately repeated after itself, which is the accidental typing error. Global removes every later occurrence of any word, which would destroy ordinary prose but is exactly right for a keyword list.

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