ChatPDF
Upload a PDF and ask Claude anything about its contents
Drag & drop a PDF here, or click to browse
Supports PDF files up to 10 MB
ChatPDF — Chat With Any PDF Using AI
WriteGenius ChatPDF lets you upload any PDF and instantly chat with it using Claude AI. Whether you're reading a research paper, legal contract, textbook, or business report, our PDF AI assistant reads the full document and answers your questions with precise, cited responses. Stop skimming — just ask.
Our ask PDF questions tool is ideal for students, researchers, lawyers, and professionals who work with dense documents daily. Upload your PDF, get an instant summary, then drill down into specific sections, clauses, or data points with natural follow-up questions. It's the smartest PDF reader AI available — free.
Why Use ChatPDF by WriteGenius?
Instant PDF Summary
The moment you upload, Claude automatically summarizes the document so you know exactly what you're dealing with before diving deeper.
Natural Conversation
Ask follow-up questions, request clarifications, or ask for specific data — the AI maintains full context of the document and conversation.
Cite-Specific Answers
Claude references specific sections, clauses, and page content when answering — so you know exactly where the answer came from.
Easy Upload
Drag and drop your PDF or click to browse. Supports documents up to 10 MB with no account required for the first 5 messages.
Powered by Claude
Built on Anthropic's Claude — one of the most accurate and capable AI models available, with a 200K token context window for long documents.
Private & Secure
Your PDF is processed in memory and never stored on our servers. Your document stays private and is discarded after your session ends.
How to Chat With a PDF
Upload Your PDF
Drag and drop your PDF file into the upload area, or click to browse your files. The document is read instantly.
Get an Auto-Summary
Claude immediately summarizes the document so you understand its scope and key topics before asking more questions.
Ask Anything
Type your questions in plain English. Ask for specific data, explanations of clauses, comparisons, or key takeaways.