Decopy AI is an all-in-one writing and content analysis platform specializing in detecting AI-generated text, humanizing AI content, and summarizing documents. Its AI Detector analyzes style, structure, and language to identify content produced by models like ChatGPT, Gemini, and Claude, supporting up to 200,000 words and multiple file formats including PDF, Word, and PowerPoint. The platform also offers an AI Summarizer for condensing articles, documents, and even videos into key points or mind maps, and includes tools for refining writing to sound more human. Decopy AI is free to use, requires no login, and is designed for students, educators, businesses, and creators seeking to ensure originality, compliance, and clarity in digital content.