Free proofreading tool

Duplicate Word Finder

Catch accidental repeats like “the the” and see every word that recurs across your text, sorted by how often it appears. Click any word to jump straight to it.

0 words0 repeated pairs0 recurring words

Your text

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Immediately repeated words

e.g. “the the”
Your text will appear here with repeated words highlighted.

Recurring words

Appears 2+ times

No recurring words yet.

Two ways to catch duplicate words

Back-to-back repeats

Instantly spot typo-style repeats like “is is” or “the the”, highlighted directly in your text.

Words used too often

See every word that recurs two or more times anywhere in the document, sorted by frequency.

Click to locate

Select any recurring word from the list to highlight and scroll to every occurrence.

How to find duplicate words

  1. Paste your textDrop in an essay, article, email or any document you want to proofread.
  2. Review both panelsCheck the highlighted back-to-back repeats and the sorted recurring-word list.
  3. Jump to occurrencesClick a word in the list to scroll to and highlight it in the text.

Why duplicate word checks matter for writing

Accidentally typing the same word twice in a row is one of the most common and most overlooked proofreading mistakes. It happens easily while editing, especially after moving a sentence around or pasting text from another source, and spell checkers often miss it entirely because each individual word is spelled correctly. A repeated word like “the the” or “that that” can slip past several rounds of reading because the brain tends to autocorrect small errors while skimming familiar sentences. Beyond accidental repeats, writers also benefit from knowing which words they lean on too heavily across a whole piece. Overusing a particular word, even correctly, can make writing feel repetitive or less polished, and it is hard to notice from within the document itself since your attention is on meaning, not word frequency. This tool splits the problem into two focused views: one that catches the typo-style back-to-back repeats immediately, and another that ranks every word used two or more times so you can decide, sentence by sentence, whether a repeat is intentional or worth varying.

Faster proofreading

Catch accidental double words before a reader or editor does.

Tighter prose

Spot overused words and swap in variety where it helps readability.

Works on any text

Use it for essays, emails, articles, scripts or any pasted document.

Duplicate word finder FAQ

What counts as an immediately repeated word?

Two identical words that appear back to back, such as the the or is is, usually caused by an accidental double type. These are highlighted directly in the text.

What is the difference between the two result panels?

The first panel highlights words repeated back to back, which are almost always typos. The second panel lists every word that appears two or more times anywhere in the document, sorted by how often it recurs, which is useful for spotting overused words.

How do I jump to a word in my text?

Click any word in the recurring-words list and every occurrence of that word is highlighted and scrolled into view in the text panel above.

What does the case-sensitive toggle do?

By default, Word and word are treated as the same word. Turning on case-sensitive matching treats different capitalization as separate words instead.

Is this duplicate word finder free and private?

Yes. It analyzes text entirely in your browser with no account or upload required.

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