Chatpdf

What is Chatpdf?

Chatpdf is an AI-powered document assistant that lets you chat with PDFs and other documents in a conversational way. It is described as "like ChatGPT but for PDFs," and is designed for students, researchers, and professionals who need to summarize, compare, and ask questions of documents. The platform is used by over 10 million researchers and answers more than 1,000,000 questions daily, according to the page. It supports PDF, Word, PowerPoint, Markdown, and text files, and works in any language. Responses include built-in citations that link back to the source document.

How to use Chatpdf?

1. Upload a document by dropping a file or pasting text or a link. You can also start by asking a question in the chat box.
2. Ask questions in natural language. Chatpdf will generate answers with citations to the original document.
3. To work with multiple documents, create a folder, add files, and chat with them together in a single conversation.
4. Use the side-by-side view to keep the chat and document open together and verify answers against the source.
5. Sign up for a free account to save chat history and use multi-document chats. No account is required to try the core features.

Core features of Chatpdf

Chat with documents

Upload a PDF or other supported file and ask questions about its content. The AI generates clear responses with citations to help you verify information.

Multi-file chats

Create folders to organize files and chat with multiple documents in one conversation. Ask questions that reference multiple sources, compare content, or find connections between documents.

Cited sources

Responses include built-in citations that link to the original document, so you can jump directly to the relevant section instead of searching page by page.

Side-by-side view

Keep the chat and the document open together. Answers are linked to the original PDF content, making it easy to verify or explore further.

Summarize PDFs

Generate summaries of academic articles, research papers, or reports to extract key insights without reading everything.

Translate PDFs

Upload documents in any language and chat in your preferred language. You can also upload a document in one language and ask questions in another.

Supported file types

Chatpdf supports a growing range of document formats including PDF (.pdf), Word (.doc, .docx), PowerPoint (.ppt, .pptx), Markdown (.md), and Text files (.txt).

Security

Documents are protected by SSL encryption during transfer and remain encrypted while stored. The service uses a SOC2 Type II certified storage provider, and you maintain full control over your data with the ability to delete documents at any time.

Use cases of Chatpdf

Academic research

Use Chatpdf to explore scientific papers, academic articles, and books. Get summaries and answers to questions to support your research.

Studying and exam preparation

Use Chatpdf to study for exams, get help with homework, and answer multiple-choice questions from your course materials.

Professional document review

Use Chatpdf to navigate legal contracts, financial reports, manuals, and training materials. Ask questions to quickly find information in long documents.

Comparing multiple documents

Create folders and chat with multiple files to compare content, find connections, and reference multiple sources in one conversation.

Multilingual document understanding

Upload documents in any language and ask questions in another language, making it useful for international research and cross-language work.

Frequently asked questions about Chatpdf

Is Chatpdf free?

Chatpdf offers a free plan that lets you analyze 2 documents every day. A Chatpdf Plus plan provides unlimited document analysis and more advanced features.

Do I need an account to use Chatpdf?

No, you can start using Chatpdf without an account. Creating a free account unlocks additional features like saved history and multi-document chats.

Does Chatpdf support file types other than PDF?

Yes, Chatpdf supports a growing range of document formats including PDF, Word, PowerPoint, Markdown, and Text files.

Can I chat with multiple files at the same time?

Yes, you can create a folder, add files, and Chatpdf will understand relationships across all documents. You can ask questions that reference multiple sources, compare content, or find connections between documents.

Is my data secure and confidential?

Chatpdf states that documents are protected by SSL encryption during transfer and remain encrypted while stored. The storage provider is SOC2 Type II certified, and you can delete your documents at any time.

Can I use Chatpdf in different languages?

Yes, Chatpdf is fully multilingual. You can upload documents in any language and chat in your preferred language, including mixing languages between the document and your questions.

Is Chatpdf available on any device?

Yes, Chatpdf is designed to be compatible with all devices. You can access your documents from a desktop, tablet, or phone using a web browser.

Does Chatpdf use GPT-4, Claude, or Gemini?

Chatpdf uses smart dynamic routing for queries between GPT-4o and GPT-4o-mini models to balance speed, quality, and efficiency.

Can I share my documents and chats with others?

Yes, while documents are private by default, you can generate secure links for specific PDFs to invite others, who can access them for free without an account. You can manage access rights and revoke sharing permissions at any time.