ChatPDF

ChatPDF is an AI-powered tool that allows users to chat with PDFs and other documents (Word, PPT, Markdown, Text), YouTube videos, and websites. It provides features such as summarization, translation, multi-file chats with folders, cited sources anchoring responses to PDF references, and a side-by-side view for easy navigation. The tool uses GPT-4o and GPT-4o-mini models for responses. It is designed for students, researchers, and professionals to quickly extract information from documents without needing to read everything. No sign-up is required to start, and it supports multiple languages. A free plan allows analysis of up to 2 documents per day, with a ChatPDF Plus plan offering unlimited analysis and advanced features.