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Duplichecker
✓ verifiedFreemium
Free-to-start plagiarism checker with paraphrasing, grammar, AI detection, and reverse image search, plus paid higher-volume plans.
4.6K saves
Pricing
Basic: $19.99/mo (200 searches, 60k words)
Basic X: $49.99/mo (500 searches, 150k words)
Core features
- ✦Plagiarism detection with percentage reports
- ✦Paraphrasing and grammar tools
- ✦AI-content detection
- ✦Reverse image and face search
- ✦Multiple file formats and languages
- ✦Deep and academic scan modes (paid)
Use cases
- →Checking essays and articles for plagiarism
- →Rewriting content to improve originality
- →Detecting AI-generated text
- →Verifying content across languages
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