Check up to 500 words per day completely free. 99% accuracy. Instant results. No signup required. The best free plagiarism checker for students and writers.
Download Free on App Store How It WorksGet your plagiarism report in seconds. Our advanced algorithms scan billions of sources instantly.
Industry-leading accuracy detects even the smallest instances of copied content or similarity.
Your documents are never stored on our servers. Complete privacy and data security guaranteed.
Check plagiarism on the go with our iOS app. Perfect for students checking essays between classes.
Support for PDF, DOC, DOCX, TXT files. Paste text directly or upload your document.
Not just plagiarism - also detect AI-generated content from ChatGPT, GPT-4, and Claude.
Get our free plagiarism checker from the App Store. Works on iPhone and iPad.
Paste your text directly or upload a PDF, Word, or TXT file.
Receive your plagiarism report in seconds with highlighted matches and similarity score.
| Feature | Free Plan | Premium ($4.99/mo) |
|---|---|---|
| Daily Word Limit | 500 words | Unlimited |
| Plagiarism Detection | ✓ Included | ✓ Included |
| AI Content Detection | ✓ Included | ✓ Included |
| Accuracy Rate | 99% | 99% |
| File Formats | All formats | All formats |
| Detailed Reports | ✓ Included | ✓ Advanced |
| Batch Scanning | ✗ Limited | ✓ Unlimited |
| Export Reports | ✗ | ✓ PDF/Word |
Perfect for occasional checks
For students & professionals
Yes! Our free plagiarism checker allows you to scan up to 500 words per day completely free. No credit card required, no signup needed. Download the app and start checking immediately.
Our free plagiarism checker offers 99% accuracy, the same as our premium version. We scan against billions of web pages, academic papers, and publications to ensure comprehensive results.
The free tier allows you to check up to 500 words per day. For unlimited word counts, upgrade to our premium plan for just $4.99/month.
No account creation is required! Simply download the app from the App Store and start checking your content immediately. Your privacy is protected - we never store your documents.
Absolutely! Plagiarism Checker AI is available as an iOS app for iPhone and iPad. Check your essays, papers, and content anywhere, anytime.
Yes! Our free plagiarism checker also detects AI-generated content from ChatGPT, GPT-4, Claude, and other AI writing tools.
Join over 500,000 users who trust Plagiarism Checker AI. Download now and get your first 5 scans completely free - no credit card required.
Download Free on App Store