Ask Your Documents
Anything.

Get Answers with Source Citations.

Upload PDFs, Word documents, presentations, and more. Ask questions in natural language and get AI-powered answers with numbered references you can click to jump to the exact source.

Three steps to chat with your documents

Upload your files, ask a question, get a cited answer.

Upload Your Documents

Drag and drop PDFs, DOCX, PPTX, TXT, or Markdown files into Knowbase. Your files are processed and indexed automatically.

Ask in Natural Language

Type your question just like you would ask a colleague. No special syntax or search operators needed.

Get Cited Answers

The AI searches your documents and returns an answer with numbered source citations. Click any reference to jump to the exact page or section.

Query your entire library at once

Chat-All lets you ask a question across all your uploaded files in a single conversation. Combine results from your library with connected Google Drive, Notion, Dropbox, and web search to get comprehensive answers.

  • Search across all files in one conversation
  • Combine with Google Drive, Notion & Dropbox
  • Add web search for real-time context
  • Answers cite the specific file, page, or section
+
All Files

Every answer cites its sources

Knowbase includes numbered references in every AI response. Click a citation to jump directly to the exact page in a PDF, the timestamp in a video, or the section in a document. You never have to take the AI's word for it.

  • Numbered inline citations [1], [2], [3]
  • Click to jump to the exact page or timestamp
  • Works across PDFs, videos, and all file types
Knowbase

Works with all your documents

📄

PDF

Research papers, reports, contracts, ebooks — with full page-level citations and table extraction.

📑

DOCX / DOC

Word documents including formatted text, tables, and embedded content.

📊

PPTX

PowerPoint presentations with text extraction from every slide.

📝

TXT / Markdown

Plain text and Markdown files for notes, documentation, and code.

🎤

Audio / Video

MP4, MP3, WAV, and more — automatically transcribed and indexed with timestamp citations.

▶️

YouTube

Paste any YouTube link to transcribe the video and chat with its content.

Thinking Mode

For complex questions, Thinking Mode researches across your documents in multiple iterations. It generates sub-queries, retrieves from different angles, and synthesizes a comprehensive answer — showing you each step of its reasoning.

Who uses document chat?

🎓

Students & Researchers

Upload papers, textbooks, and lecture notes. Ask questions and find answers with page-level citations for your thesis or papers.

💼

Professionals & Teams

Upload contracts, reports, and internal docs. Get instant answers instead of searching through folders and email attachments.

📈

Analysts & Executives

Upload financial reports and strategy docs. Extract insights, compare data across sources, and make decisions faster.

⚖️

Legal Professionals

Upload case files, contracts, and regulations. Search for specific clauses, compare documents, and find relevant precedents.

Frequently asked questions

What file types can I upload?
Knowbase supports PDF, DOCX, DOC, PPTX, TXT, MD, plus audio and video files (MP4, MP3, WAV, etc.) and YouTube links.
How accurate are the answers?
Knowbase retrieves relevant passages from your documents and uses AI to synthesize an answer. Every response includes source citations so you can verify the information by clicking through to the original document.
Can I chat across multiple documents at once?
Yes! Chat-All mode lets you query your entire library in a single conversation. The AI searches across all your files and returns answers with citations from whichever documents are most relevant.
What is Thinking Mode?
Thinking Mode is a deeper analysis mode for complex questions. The AI breaks your question into sub-queries, searches across your documents from multiple angles, and synthesizes a comprehensive answer — showing you each reasoning step.
Are my documents private?
Yes. Your documents are private by default and never used to train AI models. They are processed and stored solely to answer your questions. You control who can access your files.
What integrations are available?
Knowbase integrates with Google Drive, Notion, Dropbox, and web search. Connected sources are searched in real-time alongside your uploaded files when you use Chat-All.

Start chatting with your documents today

Free to start. No credit card required.

Get Started Free →