Duplicate Sentence Remover
Put one sentence per line. The tool removes duplicate lines and keeps only the first occurrence.
DELTOOLLAB · Duplicate Sentence Remover

Duplicate Sentence Remover

This tool automatically removes duplicate sentences from your text. It scans the content, detects repeated sentences and keeps only one copy of each. It is perfect for cleaning articles, essays, SEO texts, reports and any content that was merged from multiple sources.

How to Use

  1. Paste your text into the input field.
  2. Click the button to find and remove duplicate sentences.
  3. Copy the cleaned text without repetitions.

When to Use

  • Fixing duplicated paragraphs after copy-paste operations.
  • Cleaning AI-generated or merged content.
  • Improving readability and SEO by removing repetition.

FAQ

What counts as a duplicate sentence?

A duplicate sentence is a sentence that appears more than once with exactly the same text. The tool keeps only one instance.

Does it change the meaning of the text?

It only removes repeated sentences and leaves unique content untouched, so your main ideas stay the same.

Is this tool safe to use for long documents?

Yes. You can paste long texts, and processing happens directly in your browser without uploading files.

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