ChatDOC Free AI Document Assistant - No Login Required
ChatDOC delivers exceptional AI conversational experiences with in-depth parsing support for multiple formats including PDF, Word, PPT, TXT, and HTML.
Trusted by researchers, lawyers, and analysts worldwide
You can use ChatDoc directly below
Core Capabilities
Redefining document reading with the powerful reasoning of Qwen2.5.
1 Million Token Context
Process hundreds of pages of PDFs, books, or contracts at once. Understand the full picture without missing details.
Precise Citations
No hallucinations. Every answer includes page numbers and paragraph links. Click to verify instantly.
Cross-Document Analysis
Build a knowledge base. Query dozens of documents simultaneously for comparative analysis and summarization.
Smart OCR
Recognize text and tables in scanned files and images. Turn 'dead' data into 'live' knowledge.
Why Choose ChatDOC Powered by Qwen2.5?
A qualitative leap in performance compared to traditional AI tools.
Start Smart Reading in 3 Steps
Turn your documents into a conversational knowledge base in seconds:
Upload Documents
Support PDF, Word, EPUB, TXT, and Scans. Drag and drop supported.
AI Analysis
ChatDOC automatically parses documents, extracts key info, and builds an index.
Start Chatting
Ask questions and get precise answers with citations. Support multi-turn follow-ups.
Export Results
One-click copy answers or export full chat history for reports or notes.
Powered by Qwen2.5
Top-tier performance specs for your peace of mind.
1M+ Token Context
Token Context
14B Model Parameters
Model Parameters
100% Source Citations
Source Citations
User Testimonials
See what people are saying about ChatDOC.
The cross-document analysis is powerful! I uploaded 20 core papers, and it mapped out the research landscape in minutes. It used to take weeks.
Dr. Lee, University Researcher
Dr. Lee
University Researcher
For 500-page M&A contracts, ChatDOC is my right hand. It pinpoints risk clauses precisely, and every answer has a citation. I trust it.
Sarah Wang, Senior Lawyer
Sarah Wang
Senior Lawyer
Qwen2.5's understanding is impressive. It analyzes complex financial tables, extracts data, and provides insightful trend analysis with context.
David, Financial Analyst
David
Financial Analyst
I use it for lesson planning. It transforms dense textbook content into vivid case studies. My students love it.
Prof. Chen, University Lecturer
Prof. Chen
University Lecturer
Searching through thousands of pages of manuals was a nightmare. Now I ask ChatDOC for error codes, and get solutions instantly.
James, IT DevOps Engineer
James
IT DevOps Engineer
It's my second brain. I dump all my collected materials into it and call upon them whenever I write. Endless inspiration.
Anna, Freelance Writer
Anna
Freelance Writer
Frequently Asked Questions
Learn more about ChatDOC.
Experience ChatDOC Now
Embrace the power of Qwen2.5 and make document processing easier than ever.