Question: Can you recommend a document analysis tool that supports various file formats like PDF, EPUB, and DOC?

For a powerful document analysis tool that can handle many file types, including PDF, EPUB and DOC, ChatDOC is a top contender. This AI-based system lets you analyze and summarize documents with tools like instant answers to questions, AI analysis of text or tables, image analysis with GPT-4, and more. The browser extension lets you upload PDF files easily, and it can handle multiple document formats like SCAN, WEBSITE and MD. It also offers a Pro plan for more advanced features and supports encrypted file transfer.

Another good option is FileGPT, which can handle a broad range of file types, including PDFs, DOCs, audio, video and web pages. It's good for long documents and advanced content analysis, so it's good for tasks like extracting text from scanned documents and analyzing multimedia. With its tiered pricing and powerful abilities, FileGPT can help automate workflows and get more work out of people who need it.

Myreader AI is another option. It lets you upload documents and ask questions about what's in them, returning answers along with excerpts you can read for more context. It's good for researchers, students and professionals who need to quickly understand a lot of documentation. It offers several pricing tiers for different needs and can handle PDF and EPUB documents.

Last is DocsDNA, which offers a more general-purpose document analysis tool that can handle multilingual documents and many file formats. It can analyze documents, create new ones, find gaps in information and perform OCR. With its collaboration, user management and data security features, DocsDNA is good for teams that want to improve their document processing and management.