Free Plagiarism Checker & AI Detector
The best online plagiarism checker to detect copied text and AI-generated content (ChatGPT). Check for plagiarism free with no word limit.
Comprehensive Plagiarism and AI Checker
Deep Plagiarism Check
Scan billions of web pages and academic journals. Our plagiarism check software identifies accidental copying and missing citations to ensure your work is original.
Accurate AI Detection
Don't let ChatGPT get you flagged. Use our ai plagiarism checker to detect text generated by GPT-4, Claude, and Gemini with high precision.
Accurate Checks for Every Document Type
For Students & Essays
A safe essay plagiarism checker that helps you cite sources and improve academic integrity without risking your data.
For Research Papers
Deep scan for research paper plagiarism checker needs across journals and publications to ensure academic standards.
For SEO Articles
Ensure your blog content is unique with our online plagiarism checker designed for web publishers and SEO agencies.
Get Detailed Plagiarism Percentage Reports
Unlike basic tools, MuseKit provides a comprehensive report. See the exact plagiarism percentage, matched source links, and highlighted text.
Global warming is the long-term heating of Earth's climate system observed since the pre-industrial period (between 1850 and 1900) due to human activities. This text matches a source from Wikipedia.
Furthermore, the implementation of renewable energy sources is critical for mitigating these effects. (AI Detected: 98% Probability)
How to Check a Paper for Plagiarism?
Paste Text
Copy your essay, research paper, or article into the plagiarism checker box above.
Start Scan
Click the button to check for plagiarism and AI content simultaneously.
Analyze Report
Review the detailed percentage report showing matched sources and AI probabilities.
Fix & Export
Rewrite or cite the highlighted sections to ensure your work is original.
Frequently Asked Questions
Is this plagiarism checker safe? Will you store my paper?▼
Yes, it is 100% safe. Unlike Turnitin, our free plagiarism checker does not store your files in any database, ensuring you won't flag yourself in future checks.
Can this tool detect ChatGPT text?▼
Absolutely. We include a built-in ai plagiarism checker to spot content generated by AI models like GPT-4 and Claude.
Is it free for long papers?▼
Yes, MuseKit offers a free plagiarism checker for students with high word limits, suitable for essays and research papers.