Internal Duplicate Text C
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Overview
Internal Duplicate Text Checker is a lightweight Chrome extension designed to help users detect duplicated content inside a single block of text.
Users can paste any text into the extension and instantly analyze internal repetition using multiple methods:
Line duplication – finds repeated lines
Sentence duplication – detects repeated sentences
Word shingle duplication – identifies repeated word sequences (n-grams)
The extension provides a clear overview of:
Total analyzed items
Unique fragments
Duplicate occurrences
Overall uniqueness percentage
All processing is performed locally inside the browser.
The extension does not collect, store, transmit, or share any user data.
No accounts, logins, or network connections are required.
Key characteristics:
Fully offline operation
No permissions required
No tracking or analytics
Simple, single-purpose functionality
Designed for writers, editors, SEO specialists, and content creators
This extension is intended solely for checking internal text duplication and does not analyze external websites or third-party content.
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