Chat with any file, video or website
ChatPDF brings ChatGPT-style intelligence to your documents. Summarize research papers, navigate legal contracts, study for exams — and get answers with citations, backed to the page.
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The paper proposes a retrieval-augmented architecture that grounds LLM answers in source documents, cutting hallucinations by 42% while keeping citations traceable page by page.
Trusted by researchers and students at
Built for the way you actually read
From dense research papers to everyday documents, ChatPDF turns reading into a conversation.
For Researchers
Explore scientific papers, academic articles, and books to get the information you need for your research.
For Students
Study for exams, get help with homework, and answer multiple choice questions faster than your classmates.
For Professionals
Navigate legal contracts, financial reports, manuals, and training material — ask questions to any PDF to stay ahead.
Cited Sources
Built-in citations anchor every answer to its PDF reference. No more page-by-page searching.
Multi-File Chats
Bring multiple PDFs into one conversation and keep study materials or project files in a single chat.
Any Language
Works worldwide. ChatPDF accepts documents in any language — and answers in any language you ask in.
Everything you need to understand anything
Multi-file chats, one conversation
Keep study materials, papers, or project files easily accessible in a single chat. Compare documents side by side without losing context.
Summarize PDFs in seconds
Summarize academic articles, research papers, or reports and extract the key insights without reading everything line by line.
Any document, any language
Make any PDF speak your language. Transform documents from around the world into clear, readable text you understand instantly.
Side-by-side with citations
Keep the chat and PDF open together. Every answer links back to the original content, making it simple to verify or explore further.
Across borders, beyond languages
AI is revolutionizing the understanding of research worldwide.
これヤバいでしょ。『ChatPDF』は生成AIを応用したサービス。難しい論文をめちゃくちゃ簡単に理解できます。
ChatPDF is an AI-powered app that will make reading journal articles easier and faster. It's like ChatGPT, but for research papers.
<AI 툴 소개> 오늘도 여러분께 유용한 AI 툴 하나를 소개해드리려고 합니다. PDF파일을 바로 요약해주는 ChatPDF입니다.
Ready to read anything, faster?
Upload a paper, contract, or textbook — and start chatting with it in seconds.
Frequently asked questions
ChatPDF brings the power of conversational AI to your documents, letting you chat with your PDFs as easily as using ChatGPT. Whether you're studying, researching, or analyzing documents, our platform helps you understand and extract information in seconds.
Yes! We offer a free plan that lets you analyze 2 documents every day. For power users, our Plus plan provides unlimited document analysis and more advanced features.
ChatPDF uses sophisticated AI to build a comprehensive map of your document's content and meaning, then generates clear, accurate answers with citations back to the source.
Yes — PDF, Word (.doc, .docx), PowerPoint (.ppt, .pptx), Markdown (.md), and plain text files are all supported.
Yes — a free account keeps your chats, uploaded documents, and their history private to you and available across sessions. Sign up takes seconds.
Documents are protected with SSL encryption in transit and remain encrypted at rest, with full control to delete your data at any time.