Chat with Your PDF

Turn any PDF into an instant conversation. Upload your file, ask questions, and get clear answers or summaries in seconds — all free, no sign-up required.
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or drop your first file here

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How to chat with a PDF

Follow these steps to start interacting with your document.

  • 1

    Upload

    Drag and drop your PDF file into the drop zone above or click ‘Upload’ to add your file.

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  • 2

    Open Chat Mode

    Sign in and select ‘AI assistant’’ from the top navigation bar in the editor.

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  • 3

    Type your questions

    Type your questions, and AI will instantly provide answers from your PDF content.

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Smart, interactive PDF conversations

Get clear answers from your documents in seconds. Perfect for reports, research, or contracts.

  • Get instant answers

    Get instant answers

    Ask questions and get quick, intelligent responses from your PDFs. Summarize reports, extract insights, or clarify details, all powered by AI that understands your document’s content.

  • Choose your chat mode

    Choose your chat mode

    Use ‘Ask’ mode to explore and learn more about the contents of your document, or ‘Agent’ mode to edit and organize your PDF — all through a simple, intuitive chat interface.

  • Upload and analyze in seconds

    Upload and analyze in seconds

    Attach any PDF and let AI do the work. Whether it’s research papers, contracts, or manuals, get clear, accurate insights instantly.

  • No downloads required

    No downloads required

    Chat right from your browser, no installs or sign-ups needed. Works on any device, so you can access your documents anytime, anywhere.

  • Collaborate in real time

    Collaborate in real time

    Work together with teammates in the same chat. Share insights, review findings, and stay aligned as you explore documents together.

  • Protected by enterprise-grade security

    Protected by enterprise-grade security

    Once you upload your files to Lumin, they're protected with encryption and optional password protection. While stored in Lumin, your documents remain secure and under your control.

Frequently asked questions

  • What does “Chat with PDF” mean?

    Chat with PDF lets you interact with your documents just like you would with a person. Instead of scrolling through pages or searching for keywords, you can ask questions in plain language and get accurate, context-aware answers. 

  • Is Chat with PDF free to use?

    Yes, Lumin’s Chat with PDF tool is entirely free to use. You can upload documents, ask questions, and explore AI-powered insights without paying upfront.

  • What can I do with Chat with PDF?

    You can use Chat with PDF to summarize content, extract data, find answers, or generate insights from any document. Whether you're analyzing contracts, reading research papers, or reviewing reports, the AI helps you work faster and smarter. 

  • Is the Lumin Chat with PDF tool secure?

    Absolutely. Every file and conversation is protected by 256-bit AES encryption during upload, processing, and storage. Lumin is SOC 2 Type 2 certified, giving you confidence your documents remain private and secure.

  • What makes Chat with PDF different from regular chatbots?

    Chat with PDF is designed specifically for understanding and analyzing documents, not just general conversations. It goes beyond keyword matching to understand context, meaning, and relationships within your files. 

    This means you get precise, relevant answers every time, something regular chatbots can’t match.

  • Can I chat with PDF without internet?

    You’ll need an internet connection to use Chat with PDF since it relies on cloud-based AI for advanced processing. However, all uploads and conversations are protected with enterprise-grade encryption. Once you’re done, your files are automatically deleted to keep your data private.

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