ChatDOC

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Chat with PDFs and other documents and get answers linked to their exact sources

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ChatDOC

What it is

ChatDOC is an AI document reader for asking questions about long files. You upload PDFs, DOC or DOCX files, scanned pages, EPUB books, Markdown, plain text or a web page, and it answers in plain language with footnote-style citations that jump to the exact passage. Its parser is designed to handle formulas, images and tables that span pages, and it can translate a file while keeping the original layout. Users can organize files into folders and ask questions across several documents at once. A free plan includes a limited number of questions and pages, and a Pro subscription removes those limits. The team also offers ChatPaper, an API and a PDF parser.

Key features

Answers with clickable source citations
Handles tables, formulas and scans
Questions across multiple files
Layout-preserving document translation

What we liked

+ Easy to verify every answer
+ Broad file format support
+ Browser extensions for Chrome and Edge

Worth noting

· Free plan caps questions and pages
· Pro price not shown on the homepage

Editor's notes

More context from AI BirdView

The biggest worry with AI document tools is whether you can trust the answer, and ChatDOC tackles that head on. Each response comes with citations you can click to see the exact sentence, table cell or figure it came from, which turns checking into a quick habit rather than a chore. Its careful handling of messy layouts, like formulas and tables that break across pages, is another quiet strength.

Clickable footnote citations that jump straight to the supporting passage
A parser built for formulas, images and cross-page tables, plus OCR for scanned files
Support for PDF, Word, scans, EPUB, Markdown, plain text and web pages
Questions across whole folders of documents, not just one file at a time
Translation that keeps the original layout intact, in more than 25 languages

It is best for students, researchers, analysts and professionals who regularly dig through reports, papers, manuals or contracts. The company says more than a million people use it. A practical tip: before relying on an answer for anything important, click through the citation and read the surrounding paragraph, since context around a quoted line can change its meaning.