AI Chat with Any Content

Upload files or paste a link, then ask questions, summarize content, extract key information, and get instant AI-powered answers - all in one place.

拖入文件,或点击上传

DocumentsPDF、DOCX、TXT
ImagesPNG、JPG、WEBP
AudioMP3、WAV、M4A
VideoMP4、MOV、AVI

1M+Questions Answered

370K+Hours Saved Monthly

4.9Average User Rating

Why Choose Our AI Q&A?

10+ File Formats Supported

Chat with the content you already use every day. Upload PDFs, Word documents, presentations, spreadsheets, text files, images, and more without switching between different tools.

Context-Aware Answers

Get answers based on the content you provide—not generic responses. Our AI understands the context of your files and uses the most relevant information to answer your questions.

Multi-File Chats

Bring multiple files into the same conversation. Compare documents, connect information across sources, and find relationships without opening files one by one.

Cited Sources

Know where your answers come from. AI-generated responses can be linked back to relevant content, helping you quickly verify information and explore the original source.

Works in Any Language

Ask questions and work with content in the language that fits your workflow. Read, analyze, summarize, and understand information across languages with ease.

Built for Real Workflows

From research and studying to business analysis and content creation, turn long documents and scattered information into useful answers in seconds.

Private & Secure

Your files are handled with privacy in mind, so you can focus on getting useful insights from your content without unnecessary complexity.

Multi-File Contextual Chats

Compare reports, find differences between documents, connect related information, or ask a single question across multiple sources. The AI keeps the conversation context in mind so you can move from one question to the next naturally.

Multi-File Contextual Chats

Chat in Any Language

Ask questions in your preferred language, understand content written in another language, and get clear answers that fit your workflow. Whether you're studying international research or working with global business documents, AI helps remove language barriers.

Chat in Any Language

Accurate Citations & Source Tracking

When source references are available, you can trace important answers back to the relevant document or content. This makes it easier to verify facts, review supporting information, and understand the context behind an answer.

Accurate Citations & Source Tracking

Powered by Leading AI Models

Whether you need to summarize a lengthy report, extract specific information, compare documents, explain complex concepts, or brainstorm ideas from your files, the AI helps turn your content into actionable insights.

Powered by Leading AI Models

How to Use AI Q&A in 3 Simple Steps

Step 1: Add Your Sources

Upload a file, paste a link, or add text you want to ask questions about.

Step 2: Ask Anything

Type a question and let AI answer based on the materials you provided.

Step 3: Verify and Continue

Review the answer, ask follow-ups, or turn insights into notes and flashcards.

Who Is Our AI Q&A For?

Ask better questions of your materials for study, research, writing, training, and reporting.

Students

Understand textbooks, lecture notes, research papers, and study materials faster. Ask questions about difficult topics, summarize long readings, and turn your files into useful study resources.

Educators

Save time working with lesson plans, teaching materials, academic papers, and course documents. Quickly find information and create clearer explanations from existing content.

Researchers

Analyze research papers, reports, datasets, and reference materials without manually searching through every page. Compare sources and identify important findings more efficiently.

Content Creators

Turn reports, interviews, research materials, and source documents into useful content ideas. Extract facts, discover key points, and speed up the research process.

Professionals

Work smarter with business reports, presentations, proposals, contracts, manuals, and internal documents. Find information quickly and reduce time spent reading lengthy files.

Teams

Bring shared documents into one AI-powered workspace. Compare information, answer questions, and make it easier for team members to find important details across multiple sources.

用户怎么说

Jordan E.

学生创始人

“Lunote 会生成评委可能问的问题,帮我排练路演比赛。上台前我能先把薄弱回答补强。”

Claire M.

大学生

“演示前我会让 Lunote 用可能的问题来挑战幻灯片。它能指出哪些想法我还没讲清楚。”

Priya N.

研究生研究员

“我会通过 Lunote 追问几篇论文,检验自己是否真懂这个题目,而不是只记住每位作者的结论。”

Daniel H.

教育工作者

“Lunote 能把课程材料变成讨论题,看出学生是不是理解推理过程,而不只是记住最终答案。”

Morgan B.

产品经理

“干系人评审前,我用 Lunote 追问产品简报。方便提前准备关于用户、优先级和证据的疑虑。”

Your Everyday AI Toolkit

Quick tasks? We’ve got you covered. Use our free standalone tools to boost your daily productivity.

Frequently asked questions

Yes. You can upload a supported PDF and ask questions about its content. Depending on your plan, file size, usage limits, and available features may vary.