Document Lab
AI-powered document tools: read PDFs, summarize, write, check, merge, split, and organize documents

Key Features & Benefits
Key Features & Benefits
Ask Questions About Any PDF
Upload any PDF document and ask questions about its content. The AI reads and understands the entire document, providing accurate answers based on what is actually written in the file.
Page References
Every answer includes references to the specific page or section where the information was found. This makes it easy to verify the AI's responses and navigate directly to the source material in your document.
Client-Side PDF Extraction
Your PDF is processed entirely in your browser using client-side technology. The raw file is never uploaded to any server — only the extracted text is sent to the AI for analysis, ensuring your document privacy.
Follow-Up Questions
Ask as many follow-up questions as you like while your document stays loaded. The extracted text remains in your browser, so every answer is grounded in the full document without re-uploading anything.
Key Topic Extraction
Every answer highlights the key topics it covers, giving you a quick view of the themes inside your document and helping you decide what to ask about next.
Reliable Text Extraction
PDF text extraction runs entirely in your browser and handles long files reliably. The text sent to the AI is capped at about 16,000 characters (roughly 4,000 tokens) per question - for very long documents, split the PDF or ask about one section at a time.
Related Sections
When other parts of the document are relevant to your question, the AI lists them alongside the answer so you can jump straight to the most useful passages without scrolling through the whole file.
Copy & Export Answers
Copy any AI response to your clipboard with a single click for use in your notes, reports, or presentations. Each answer preserves its formatting and page references for easy reference.