LightPDF

LightPDF AI for Docs is an online AI document chatbot that helps you summarize and analyze uploaded files by asking questions in natural language. Get quick answers, notes, conclusions, and listed outlines, with outputs shown in paragraphs, lists, and text-only tables.

Upload PDFs (including scanned documents), Word, Excel, PowerPoint, EPUB, and TXT—or add a webpage by URL. It also supports OCR for scanned documents, follow-up questions, and can display references/navigation for each answer so you can trace where the information came from.

Use it across Windows, Mac, Android, and iOS, with support for 100+ languages. You can also chat with multiple documents at once, view chat history, and download the Desktop App; browser and Google Drive options are available via a Chrome extension and a G Suite add-on.

How do I get summaries or answers from LightPDF AI for Docs?

Upload a file, then ask a clear, specific question about what you want to learn from the document. More specific prompts typically produce better results.

Which file types can I chat with in LightPDF?

LightPDF supports PDFs (including scanned files), Word (doc/docx), Excel (xls/xlsx), PowerPoint (ppt/pptx), EPUB, and TXT. It can also analyze a webpage via URL.

Can LightPDF handle scanned documents?

Yes. LightPDF supports OCR for scanned documents so you can still extract text and ask questions.

Can I chat with more than one document at the same time?

Yes. You can upload multiple documents and interact with them in a single chat session.

Does LightPDF show where an answer came from?

Yes. Answers include references/navigation that you can use to locate the source material behind the response.

How secure are my documents in LightPDF?

Documents are stored in encrypted cloud storage, you retain ownership and control, and you can delete files completely at any time. Files are not shared with others.