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
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Ready-to-Use Prompts
Copy and customize these prompts for your specific needs
“Research the current market trends of [Industry: Electric Vehicles, EdTech, Healthcare, etc.]. Include data from the past [Number] years, key competitors, growth opportunities, and forecasted future trends.”
“Conduct a research report on the environmental impact of [Activity: Deforestation, Plastic Usage, Mining]. Explain causes, short-term and long-term effects, and propose sustainable alternatives with supporting data.”
“Research how [Consumer Group: Gen Z, Millennials, Urban Families] make purchase decisions for [Product Category: Electronics, Fashion, Food]. Include survey data, psychological insights, and brand influence analysis.”
“Generate [10] unique content ideas for [Niche or Industry, e.g., Finance, Tech, Health]. Each idea should include a [Title, One-Line Description, and Target Audience].”
“Rewrite the following article in [Simpler or More Engaging] language while keeping [Original Meaning and Facts] intact. Improve [Flow, Readability, and SEO Keywords] for a [General Audience].”
Customer 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
Check research papers for copied or duplicate content.
Verify that assignments are original before submission.
Find matching sources to cite them correctly.
Detect unintentional plagiarism in reports or essays.
Ensure research writing is clean and authentic.
[tool_use_cases
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.
- 4.6
- 299