Plagiarism Checkers

Viper

Viper is a leading online plagiarism checker that accurately detects both copied and AI-generated content. Trusted by students, teachers, schools, colleges, universities, and professionals, Viper helps ensure the originality of documents with powerful, easy-to-use features. Perfect for detecting plagiarism and AI-written text with confidence.

Duplichecker

Duplichecker is a powerful online tool that checks your text for plagiarism. It compares your content with millions of web pages and documents to find any duplicate or similar text, helping you keep your writing original.