Writing · Vendor site 2026-10-04
ChatDOC is a document Q&A platform for PDFs, Office files, scans, websites, EPUB, and markdown with TapSource citations, cross-file questions, translation, and formula or image analysis add-ons. It also offers ChatPaper, browser extensions, and API products for developers.
Researchers, students, and analysts who need cited answers across large PDFs and mixed document libraries.
Free tier restricts file types primarily to PDF, caps daily uploads and questions, and limits page depth per file until upgrading to Pro.
ChatDOC combines parsing, chat, and verification flows so users can ask questions across files, inspect citations inline, and upgrade when they need unlimited questions or richer format support.
What it can do
Unknown is different from unavailable. Each fact carries its own evidence.
| Capability | Value | Evidence | Checked |
|---|---|---|---|
| TapSource citations | Homepage highlights TapSource footnotes that link answers back to quoted passages, tables, and figures. | Facts sourced | 2026-10-04 |
| Formats | Upload marketing lists PDF, DOC, DOCX, scans, websites, EPUB, MD, and TXT for paid Pro workflows. | Facts sourced | 2026-10-04 |
| Ecosystem | Product menu includes ChatPaper, ChatDOC Studio, Chrome and Edge extensions, and dedicated API pages. | Facts sourced | 2026-10-04 |
Understand the total cost
Free
Free
Marketing advertises 100 questions free with no card required; the Free plan table lists daily upload and question caps plus three pages per file on PDF-only support.
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ChatDOC is a document Q&A platform for PDFs, Office files, scans, websites, EPUB, and markdown with TapSource citations, cross-file questions, translation, and formula or image analysis add-ons. It also offers ChatPaper, browser extensions, and API products for developers.
Marketing advertises 100 questions free with no card required; the Free plan table lists daily upload and question caps plus three pages per file on PDF-only support.. This record lists ongoing free access; check the plan limits before starting.
No paid monthly price is listed; this record treats the product as free to start. See the plan cards for entitlements, billing commitments and seat minimums.
Navigation promotes ChatDOC API and PDF Parser offerings for programmatic document ingestion and chat.. API access and subscription access may have different terms; consult the linked sources.
Free tier restricts file types primarily to PDF, caps daily uploads and questions, and limits page depth per file until upgrading to Pro.
No retained pricing changes yet. A current price alone does not establish a historical trend.
Reviewed vendor source
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