One of the top options is ChatPDF, which is geared for people trying to understand PDFs, including research papers, academic papers, contracts, financial reports and training manuals. You can ask questions and get a summary, have a multi-file conversation and handle documents in any language. That makes it good for students, researchers and professionals who need to get information quickly and accurately out of documents.
Another top option is ChatDOC, which can handle a variety of documents, including PDF, DOC and EPUB. It can give you immediate answers to questions, more detailed AI analysis and the ability to have a multi-document conversation. A browser extension lets you upload PDFs with a click, which is handy if you're working on a laptop. ChatDOC is good for students, professionals and businesses that want to get information out of lots of different documents.
For something of a Swiss Army knife, check out Coral AI, which can summarize documents, answer questions, translate text and even generate citations. It can handle more than 90 languages and lots of different document types, including books and legal briefs. Coral AI can be useful for anyone who needs to quickly assess documents and wants to avoid the hassle of digging through a lot of material.