
ChatPDF
: How to use it, features, and the business problems it solves
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What is ChatPDF?
A tool that lets you upload a PDF and then ask questions, get summaries, and extract information through an AI chat interface. Ideal for quickly understanding lengthy PDFs like academic papers, legal documents, manuals, and financial reports. Supports multi-PDF management and cross-document search.
Business problems it solves
About "ChatPDF"
How to Use
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Upload a PDF file
Go to the official site and drag and drop your PDF, or click "Browse my Computer" to select and upload a file.
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The chat interface appears
After uploading, a PDF preview appears on the left and a chat box on the right.
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Enter your question
Type a question in the chat box. The AI analyzes the PDF and responds with cited references to the relevant pages.
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Request summaries or translations
Enter instructions like "Please summarize this" or "Please translate to English" to get summaries or translations of the PDF content.
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Use multi-file chat
Organize multiple PDFs in a folder, upload them together, and search or compare related information across all of them at once.
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Save and share chat history
Log in with a Google account to save chat history and share it with others.
Features
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Conversational PDF analysis
Analyze PDF content through AI conversation and quickly retrieve the information you need.
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Summarization
Summarize long PDFs quickly to grasp the key points.
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Translation
Translate text within PDFs into multiple languages.
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Cited source references
AI responses include the PDF page numbers they reference, making it easy to check the source.
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Multi-file support
Handle multiple PDFs in a single chat for cross-document comparison and synthesis.
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Multi-language support
Chat is available in Japanese and other languages, and PDFs in various languages are supported.
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Security
Uploaded PDFs are SSL-encrypted to protect user privacy.
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No account required for basic use
Core features are available without registering an account.
Pricing
| Free | Plus | |
|---|---|---|
| Monthly price | ¥0 | ~¥1,299/mo or ~¥9,099/yr |
| PDFs per day | Up to 3 | Up to 50 |
| Questions per day | Up to 50 | Up to 1,000 |
| Max pages | 120 | 2,000 |
| Max file size | 10 MB | 32 MB |
| Chat history | When logged in | When logged in |
| Multi-file chat | Not available | Available |
| Commercial use | Not supported | Not supported |

