Ultra Plagiarism Checker
Deep-scanning technology with **85%+ accuracy**. Cross-reference up to 5,000 words against billions of sources with 150-point segment analysis.
Frequently Asked Questions
Our tool performs a deep scan of your document, selecting representative sentences and cross-referencing them against billions of web pages and academic databases using advanced concurrent analysis.
You can upload PDF, DOCX (Microsoft Word), and TXT files up to 5MB. Alternatively, you can paste your text directly into the text box.
Absolutely. Your uploaded files and text are processed in memory and are never stored on our servers. Once the check is complete, all data is immediately discarded.
Our tool provides high-accuracy results (>80%) by performing a multi-threaded search across various web and academic indices. We check up to 60 representative segments for longer documents.
Each check supports up to 5MB of file content or approximately 5,000 words. For longer documents, we use deep representative sampling to ensure full-document coverage.