Copyleaks scans documents to find copied text and to estimate whether writing was produced by AI. It also offers image and video AI detection, a grammar checker and integrations for learning management systems.
Users upload files or paste text, and Copyleaks returns a report that highlights matching sources and AI-likely passages. It can catch plagiarism that has been translated from another language and can be used from a browser extension, a Google Docs add-on, WordPress or an API.
Paid personal plans start at $13.99 a month when billed yearly ($16.99 monthly) and use credits: the yearly Personal plan includes 1,200 credits, enough for roughly 300,000 words. A Pro plan for small teams and separate education and enterprise plans are available. The homepage offers a free start, but the pricing page lists paid plans only.
AI detection is a guide, not proof. Students should not panic over a single score, and teachers should review flagged work themselves before making decisions.
