Top plagiarism checker AI tools

AI Agent

Copyleaks (copyleaks.com) is a comprehensive enterprise AI content detection, plagiarism prevention, and GenAI governance platform that identifies AI-generated text, images, video, and code across 30+ languages with over 99% accuracy.

AI-Detection

Originality AI is an AI content detection and plagiarism checking tool designed for publishers, agencies, and content teams. It scans text to identify AI-generated content, check originality, and highlight readability or quality issues—helping ensure content is human-like, unique, and trustworthy before publishing.