ChatInDoc is a web-based PDF viewer that leverages AI technology from OpenAI's ChatGPT to streamline the analysis of complex PDF documents. This tool is particularly useful for academic papers, instruction manuals, and IR reports, allowing users to engage in a chat interface to ask specific questions. The AI can summarize sections, clarify unfamiliar terms, and analyze content effectively, utilizing advanced models like GPT-3.5 and GPT-4 for high-level natural language processing.

Offering a free plan with limited access and a pro plan for enhanced features, ChatInDoc supports multiple languages and allows users to manage their PDFs efficiently. The free plan provides 2,000 points monthly for about 20 questions, while the pro plan offers 200,000 points for around 2,000 questions, accommodating larger files and more extensive usage. With its user-friendly chat interface and robust capabilities, ChatInDoc represents a significant advancement in PDF document management.