Chat with your PDF documents using natural language to extract core insights instantly. HeyTop AI seamlessly analyzes multiple, long-context PDFs simultaneously, delivering precise answers linked directly to the source text for effortless reference.
Unlock the full potential of your documents with advanced extraction, cross-file synthesis, and absolute data privacy.
Break free from the limits of reading one file at a time by combining your source materials. Upload multiple research papers, textbooks, or business reports together to analyze trends, compare data, and extract cross-document insights in a single chat.
Compare Multiple PDFs
Skip the fluff and capture the core value of any lengthy document without spending hours reading page by page. Instantly generate clean, well-structured executive summaries, key takeaways, or custom study guides tailored to your exact needs.
Summarize Your Document
Never waste time guessing where your AI answers came from or scrolling through hundreds of pages to double-check. Simply click the interactive reference link next to any response to jump straight to the highlighted source text in your original document.
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Your academic research, sensitive reports, and personal intellectual property are always kept confidential. We process all uploaded files in a highly secure, encrypted environment and automatically delete them after your session for peace of mind.
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Don’t let scanned images, photocopied pages, or complex multi-column tables slow down your research progress. Our intelligent recognition technology reads non-searchable files smoothly, allowing you to ask questions and copy data just like a normal digital text.
Analyze Scanned Files
Transform complex, lengthy PDF documents into precise, actionable insights in seconds.
Drag and drop single or multiple PDF files. HeyTop AI instantly indexes the text for secure, long-context analysis.
Type your questions naturally. Ask for overall summaries, key takeaways, or specific details hidden deep within your PDFs.
Receive precise, AI-synthesized answers paired with interactive page citations. Click to jump directly to the source text in your PDF.
See how different industries use HeyTop ChatPDF to eliminate manual reading and work smarter.
When facing piles of dense academic papers, essays, or textbook chapters, scrolling for hours can stall your research progress. Simply upload your files to extract core methodologies, compare findings across studies, and draft summaries with direct page-level citations for your bibliography.
Sifting through 200-page annual reports, market forecasts, or quarterly earnings transcripts to find specific revenue data is incredibly tedious. Feed your financial documents to our AI to instantly compare year-over-year balance sheets, isolate performance metrics, and build clean summaries for your next presentation.
Legal professionals, business owners, and HR managers often spend valuable hours cross-checking complex clauses, NDAs, and company policy handbooks. Our tool scans dense legal jargon to help you pinpoint termination terms, identify liability issues, and clarify compliance rules with verifiable references.
Dealing with massive product user manuals, API documentations, or technical specifications can be frustrating when you just need a quick setup step. Type your questions to instantly pull step-by-step instructions, explain complex schematics in plain English, and locate specific diagram numbers without manual searching.
Consultants and marketing teams must quickly digest industry whitepapers, competitor slide decks, and customer survey PDFs to pitch winning ideas. Instantly synthesize market pain points, extract statistical evidence for your reports, and draft compelling presentation outlines directly from your source files.
HeyTop AI ChatPDF is an online interactive tool designed for PDF documents. It helps you extract insights and get instant answers without scrolling page by page. Simply ask in natural language, like "What is this document about?" or "What does Chapter 2 discuss?" It also supports long-context analysis and multiple PDFs simultaneously.
Yes. Your privacy is our priority. All uploaded PDFs are processed via encrypted connections, kept strictly confidential, and automatically deleted from our servers after 24 hours. We never share your data or use it to train our AI.
HeyTop AI supports multi-document analysis, allowing you to upload and compare multiple PDFs simultaneously. Currently, we support individual files up to 50MB, with robust support for ultra-long documents.
Yes. HeyTop AI is fully multilingual. You can upload a PDF in any language (e.g., German, Spanish, French) and ask questions or get summaries in English, Chinese, or your preferred language.
Yes. We offer a free daily plan with access to core chat and summarization features. For higher daily limits, larger file uploads, or advanced AI models, we also provide flexible premium plans.
Loved by Students, Researchers, and Professionals Worldwide
"Writing my literature review was overwhelming until I started using this tool. It lets me summarize complex research papers with AI in seconds. The best part is the interactive PDF citations—I can instantly verify the source page without scrolling endlessly."