Chat with PDF

Gone are the days when we had to read the entire PDF from scratch, note down the key points manually, and search the web to understand complex terms. Now, all that is possible is within seconds with PDF AI tools.

UPDF's AI assistant is a powerful PDF AI assistant that allows you to chat with PDF documents and extract key information easily. It can help you summarize, translate, explain PDF content, or ask any question about the PDF. The best part is that UPDF's AI feature is accessible both online and in the app.

So, if you are someone who frequently has to read and analyze PDFs, then follow along to learn how to chat with any PDF using the best AI assistant by checking the below text guide.

Part 1. How to Chat with Your PDF Document Online?

UPDF's AI online assistant is a GPT-5 and Deepseek R1 powered assistant that allows you to chat with PDF online by writing simple prompts. With UPDF's AI online assistant, you can:

• Summarize the entire PDF or specific pages or content from the PDF.
• Translate PDF content into any language of your choice.
• Explain complex phrases used in the PDF.
• Ask questions about the PDF, such as how many formulas are used in the document, etc.
• Ask for assistance in anything within or beyond PDF, such as ideating, writing, rewriting, and more.
• Chat with multiple PDFs.
• Generate mind maps from the PDF files for visual understanding.
• Convert PDF content into editable files like Word, PPT and Excel.

In short, UPDF's AI online assistant is a one-stop website where you can chat with any PDF and get the most out of the PDF in minimal time. Give UPDF's AI online assistant a try now!

Feel like UPDF's AI assistant is the ultimate tool you need? Check the below prompt-based examples on how to chat with PDF like ChatGPT for different scenarios:

1. Summarize PDF Content

UPDF AI allows users to summarize the uploaded PDFs content through prompts or highlighting specific page ranges. Here are the steps you can perform for the two ways to summarize PDF text:

Way 1.  Summarize PDF Through Prompt

Step 1: Upload or Drag File to UPDF AI Chat PDF

Begin by opening the UPDF AI online tool, then click the “Click, drag, or paste PDF / Image here” button to upload the PDF you want to summarize.

Step 2. Prompt UPDF AI to Summarize

After uploading the PDF to the UPDF Chat PDF interface, enter your prompt in the text box or tap the “Summarize this File in Detail” prompt and click “Send” to proceed.

Way 2. Summarize Through Summarize Option

Step 1. Navigate the Summarize Option

If the generated output isn’t suitable and you need a more concise version, simply click the “Summarize” icon.

Step 2. Adjust Page Range of Summary Required

Next, choose the page range of the PDF document to specify UPDF AI about from where to where you require a summary of. Finally, you can “Copy” the results to your device or have the AI assistant “Keep Summarizing.”

2. Translate PDF Content

Just like summarization, UPDF's AI Online Assistant allows you to translate PDF content into different languages, such as German, Italian, Chinese, Hindi, and more. Here's how to chat with PDF using UPDF's AI online feature to translate content:

Step 1. Enter the Prompt for Translation

Upon uploading the PDF file, press the “Translate this File” button or write prompt and then hit “Send” to get the translation.

Step 2. Select the Translation Options

After the initial prompt, tap on the “Translate” icon. Afterwards, simply choose from either "Side-by-side Translation" or "Page-by-page Translation".

Step 3. Select Language and Page Range

Moving forward, choose your desired language, set the page range, and click “Translate.” Once the translation is generated, you can review it and copy the results to your clipboard for later use.

3. Explain Difficult Phrases Used in the PDF

Suppose that you want to use AI for healthcare purposes. For example, you want to analyze a medical report and chat with PDF free to understand the medical report results.

UPDF's AI online assistant allows you to chat with PDF in a human-like manner and ask it to explain your doubts.

4. Ask Questions About the PDF

To further interact with your PDF documents on UPDF AI online, you can type in questions regarding the uploaded PDF topics to get a better understanding on the context. Upon uploading the PDF, you can simply type any question you want to clarify the doubts about the PDF content.

Users get the ability to upload images to the chat and further question the integrated AI assistant about the content.

5. Chat with PDF to Rewrite

Beyond chatting with PDF to summarize, translate, or explain content, you can also use UPDF's AI online assistant to help rewrite existing content. You can simply import the PDF and prompt the AI to rewrite the whole thing or some text of the document.

This way, you can simply upload any PDF and then ask an AI assistant to rewrite the content.

Alternatively, you can also use it to expand your existing writing, such as:

Prompt: Enhance my script for a tutorial video on advanced photo editing techniques. Add compelling examples, refine technical explanations for clarity, and suggest ways to maintain viewer engagement throughout.

6. Chat with Multiple PDFs

If you want to summarize, translate, or ask any questions related to multiple PDF files, you can use UPDF AI Online for this as well. Simply upload the files and follow these steps to get the job done.

After accessing UPDF AI online, tap on the “Click, drag, or paste PDF/Image here” button to import multiple files at once.

Upon importing the files, write your desired prompt or select any of the default prompts before hitting the “Send” icon.

Moving forward, you can easily get the summaries, translation, explanation of all these files at a time. Moreover, you can even chat with every uploaded PDF at once to save time and better productivity.

7. Create Mind Maps from PDF

With its PDF to Mind Map feature, you can simply upload a PDF in your browser and generate a mind map in seconds. The online tool breaks down large documents into clear visual branches. While using this tool, you can zoom in and out and even view the mind map in full screen.

To convert PDFs into mind maps, upload the PDF into the UPDF AI tool on your favored browser. Once on the interface, tap the Mind Map icon and select the PDF you want to convert.

Now, set the page range to determine the content whose mind map you want to create. Afterwards, simply hit the Generate button to get the visual representation of your content.

Once the mind map is created, you can simply download it or can open the image in the new tab. You even get the option to zoom in or out the mind map for a better reading experience.

8. Convert PDF to Word, Excel, and PowerPoint

Using the UPDF AI’s PDF converter, users can convert PDFs into fully editable Word, Excel, and PowerPoint documents while maintaining layouts and images. IT even supports batch conversion, OCR for scanned files, and fast processing for large documents.

Simply upload the PDF file in the chat mode and tap the Convert PDF icon to proceed. Now, select the desired conversion option, such as PDF to Word, from the new menu.

Moving forward, select the uploaded file and hit the Convert PDF button to get the converted document.

That's how UPDF's AI online assistant serves as your virtual assistant when consuming PDFs. To learn more on how to use AI assistants for different activities across industries, check out our AI how-to video page.

Part 2. How to Chat with Your PDF Documents with UPDF APP?

UPDF's AI assistant is also accessible within the UPDF app. UPDF itself is a powerful PDF editor app that allows users to edit, annotate, convert, OCR, protect, and do more with PDFs. It includes AI assistant as a built-in feature so users can get AI assistance and edit PDF at the same time. Interested users can click the button below to try the AI assistant for free.

The best part is that the UPDF app is available on all 4 major platforms: Windows, Mac, iOS, and Android. This means that UPDF's AI assistant is accessible on all those devices.

With UPDF's app AI assistant, you can summarize, translate, explain, rewrite, ideate, and do much more with PDFs. To access UPDF's AI assistant on the app:

1. Install the UPDF app on your device.
2. Open the PDF with UPDF.
3. Click the "AI" icon from the top right side, click "Ask PDF," and then click "Chat with PDF," to let AI read and analyze the PDF.

Afterward, below are a few prompt-based examples of how to chat with PDF using UPDF's app AI assistant:

1. How to Chat with PDF to Summarize

UPDF's AI assistant on the app allows you to summarize a PDF in three ways, as follows:

Way 1. Direct Select and Summarize

Select the text from the PDF to summarize, a small pop-up will appear tap the arrow button > Summarize. The summarized text will appear in a new pop-up window.

Way 2. Summarize the Entire PDF from Chatbot

Prompt: Summarize this PDF within 50 words, including 3 points.

Way 3. Summarize Specific Pages

Similar to the AI online assistant, click the "Quick Prompt" icon located in the chat box and select "Summarize by Page".

Select the page range and click "Summarize" and you will get the summary of those pages right away.

2. How to Chat with PDF to Translate

UPDF's app AI assistant lets you translate the PDF in three ways, as follows:

Way 1. Direct Select and Translate

Select the text from the PDF to translate, right-click the mouse, and tap UPDF AI > Translate > Translation languages. The translated text will appear in a new pop-up window.

Way 2. Translate Specific Pages

Open the "AI" feature at the top right corner. Select the "PDF Translation" feature. Then, select the "Language" you want to translate to, "Page Range," and "Translation Mode." Once all are selected, click the "Translate" button.

Way 3. Translate Selective Content from the PDF

Select and copy the content from PDF and use the below prompt:

Prompt: Translate these sentences into [translation language]: [paste content].

3. How to Chat with PDF to Explain

If a PDF contains complex phrases you are not aware of, you can use UPDF's AI Assistant to explain those terms. You can select the text, right-click, and tap UPDF AI > Explain to get the explanation of that term.

Alternatively, you can use the chat box to ask questions related to the PDF, such as:

Prompt: Diarrhea is one of the symptoms of COVID-19 mentioned in this research paper. What does diarrhea actually mean? Or any thing you want to ask.

4. How to Chat with PDF to Write/Rewrite

UPDF's app AI assistant can let you enhance the content and quality of your PDFs by providing inputs in writing and rewriting content. Below are a few prompt-based examples from this perspective:

Prompt #1: Provide a conclusion for this research paper.

Prompt #2: Improve the narrative flow of my script for a short film screenplay. Ensure smooth transitions between scenes, deepen character motivations, and suggest dialogue adjustments for emotional impact.

5. How to Chat with PDF to Proofread

Beyond writing or rewriting, you can also use UPDF's AI assistant to proofread the PDF content and fix the grammar and other mistakes in your PDF. Copy the content from the PDF you want to proofread and then use the below prompt:

Prompt: Proofread this paragraph for me: [paste the content].

Prompt: We are a global solar generator supplier corporation with a diverse workforce. Develop a comprehensive company policy on remote work, covering guidelines for employees, best practices for maintaining productivity, and compliance with relevant international laws.

Impressed with UPDF's AI assistant? So, why think more? Download UPDF and start chatting with your PDFs right away.

Part 3. An All-in-One Look at the Capabilities of UPDF's AI Assistant

UPDF's AI Assistant	Capabilities	Description
	Summarize PDF	Summarize the entire PDF, selective pages, or specific PDF sections.
	Translate PDF	Translate selective PDF pages or content in almost any language.
	Explain PDF	Explain complex PDF phrases in clear words.
	Rewrite PDF	Rewrite or enhance existing PDF content.
	Write PDF	Write new PDF content from scratch or expand the existing content.
	Proofread PDF	Proofread entire or selective PDF parts, optimize the wording, and fix grammar/spelling mistakes.
	Chat Beyond PDF	Chat mode to ask questions or get assistance beyond the PDF, such as ideating new topics, writing posts/replies, planning activities, etc.

Part 4. FAQs About Chatting with PDFs

Conclusion

The modern world demands modern approaches to maximize our day-to-day productivity. Chatting with PDF using an AI assistant is a perfect way to understand and analyze PDFs quickly. That's what we have learned above with the powerful UPDF's AI assistant.

The online and offline versions of UPDF's AI assistant offer an intuitive yet intelligent way to chat with PDF documents. With simple prompts, you can get customized summaries, translations, explanations, or answers to any questions. So, it's time that you modernize the way you read PDFs and get the most out of your time.