Dupli Plagiarism Checker
Plagiarism Checker offered by DupliChecker. Completely free and accurate online tool to check plagiarism. Just Copy & Paste to detect Copied content.
- 4.6
- 299
Free, Freemium
Tool Information
Company
Dupli Checker
Founded
2007
Pricing
Free, Freemium
About Dupli Checker
Dupli Checker is a freemium online plagiarism detection and content optimization tool trusted by students, writers, bloggers, and digital marketers. It scans text against millions of web pages using AI-powered deep search, supports multiple file formats, and offers a suite of tools—all without requiring registration. Dupli Checker delivers lightning-fast results with easy-to-read percentage-based reports.
✅ Pros
- ✔️ Freemium model with no registration needed for basic use.
- ✔️ Deep‑scan technology for accurate detection of duplicate content.
- ✔️ Supports multiple file types: .tex, .txt, .doc, .docx, .odt, .pdf, .rtf.
- ✔️ Multilingual support: Spanish, Russian, Portuguese, Dutch, Indonesian, Italian, Arabic, etc.
- ✔️ Fast results with color-coded duplicate highlighting and percentage-based uniqueness score.
- ✔️ Additional tools available: grammar check, SEO utilities, keyword research, paraphrasing, readability scoring.
❌ Cons
- ✖️ Free plan has a limited word count per scan (typically ~1,000 words).
- ✖️ Full feature access requires paid subscription plans, which can be relatively costly for heavy users.
- ✖️ Company and founding details are scarce and not widely published.
Key Features
Ready-to-Use Prompts
Copy and customize these prompts for your specific needs
Prompt 1 Content
Prompt Content
Prompt Content
Prompt Content
Customer Reviews
Based on 0 reviews
Pricing Plans
Weekly Plan
Plan: Basic IV
Cost: $9/week
Features:
75 Searches
21,000 Total Words
API Unavailable
Monthly Plan
Plan: Basic V
Cost: $25/month
Features:
300 Searches
95,000 Total Words
API Unavailable
Yearly Plan
Plan: Basic II
Cost: $110/year
Features:
1,200 Searches
300,000 Total Words
API Available
Use Cases
Students or academics quickly checking essays, assignments, or research papers for plagiarism.
Bloggers/content writers ensuring originality before publication.
Digital marketers leveraging SEO tools and plagiarism detection to improve content quality.
Non‑technical users wanting fast checks without registration hassles.
Writers needing an all-in-one platform with grammar, paraphrasing, and plagiarism checking tools.
Casual users wanting basic integrity checks.