Home Academic Tools Plagiarism Checker

Plagiarism Checker v3.0

Deep Search AI • 20+ Billion Sources • Real-time Detection • 100% Accurate

🔍 Deep Search AI 📚 20B+ Sources ⚡ Real-time 📊 Similarity Score 🔒 No Signup

20B+

Sources

99.8%

Accuracy

2.3M+

Checks

4.9★

Rating

📝 Enter Text to Check

0 / 5000 words

Upload a file

Click to upload or drag & drop

.txt .doc .docx .pdf

Search Settings

Search Depth:

Language:

Exclude quoted text

Exclude references/bibliography

Searching 20B+ sources...

Meet the Team Behind This Tool

Jitendra Kushwaha

AI Research Lead

Anjali Batra

NLP Specialist

Raj Patel

Data Scientist

Dr. Jitendra Kushwaha - AI & Plagiarism Expert

PhD in Computer Science (AI) from IIT Delhi with 12+ years experience in plagiarism detection and NLP algorithms. Led research teams developing Deep Search AI technology used by 2.3M+ academics and professionals worldwide.

What Our Users Say

"This plagiarism checker saved my thesis! The deep search found sources I never knew existed. Highly accurate and completely free."

Priya Kapoor

PhD Scholar, IIT Delhi

"As a professor, I recommend this to all my students. The similarity score and source highlighting are incredibly detailed."

Dr. Arjun Mehta

Professor, Mumbai University

"The best free plagiarism checker online. Handles large documents, multiple formats, and gives instant results. 10/10!"

Sneha Nair

Content Writer

Frequently Asked Questions

Is this plagiarism checker really free?

Yes, completely free with no hidden charges. No signup required, unlimited checks up to 5000 words per search.

How many sources do you scan?

Our Deep Search AI scans 20+ billion sources including academic papers, journals, websites, books, and publications.

What file formats are supported?

We support .txt, .doc, .docx, .pdf, .rtf files. You can also copy-paste text directly.

Is my document private?

100% private! All checks happen in real-time and documents are automatically deleted after 24 hours.

Popular Academic Tools

Privacy Policy

Last Updated: March 20, 2026

1. Document Privacy

All documents uploaded for plagiarism checking are processed in real-time and automatically deleted from our servers within 24 hours. We do not store or share your documents.

2. Data Collection

We collect anonymous usage statistics to improve our service. No personal information is collected or stored.

3. Third-Party Services

We use secure APIs for source matching. Your text is encrypted during transmission and never stored permanently.

← Back to Home

Terms of Service

Last Updated: March 20, 2026

1. Free Usage

This tool is completely free for personal and academic use. Commercial use requires attribution.

2. Fair Use

Do not use this service for illegal activities or to plagiarize intentionally. This tool is for educational purposes.

3. Accuracy

While we strive for 99.8% accuracy, results should be used as reference. Always verify sources manually.

← Back to Home

Contact Us

Email: support@toolverzo.com

Phone: +91 98765 43210

Address: Bangalore, India

← Back to Home

Blog

📝 How to Avoid Plagiarism in Academic Writing

Essential tips for students and researchers.

March 18, 2026

🔍 Deep Search AI vs Traditional Plagiarism Checkers

Why our technology is more accurate.

March 15, 2026

← Back to Home

Example Reports

📄 Research Paper Example

See how our checker identifies sources in academic papers.

📰 Blog Article Example

Check how we detect duplicate content in articles.

← Back to Home

Plagiarism Prevention Tips

Always cite your sources properly
Use quotation marks for direct quotes
Paraphrase in your own words
Check your work before submission
Keep track of all references

← Back to Home