Top 10 AI Tools to Chat With Any PDF in 2025
Discover 10 tools that can help you chat with any PDF and summarize them using AI in 2025.
Everyone’s had that moment: scrolling through a 100-page PDF just to find one piece of information. Whether it’s a research paper, report, or user manual, searching and summarizing by hand takes too much time.
That’s why more people are starting to chat with PDFs instead of reading them the old way. By turning your PDFs into interactive chats, you can ask questions, get instant summaries, and understand complex sections without getting lost.
There are many different AI tools to help you chat with PDFs, and make it possible to do it right within a PDF without having to upload a file! Amazing, right?
In this article, we'll list the top 10 tools you can use to chat with any PDF or document in 2025. Let's dive in!
How to Chat With PDFs With ChatGPT
ChatGPT can help you read and summarize PDFs, but it has limits. You can upload a document and ask questions about it, but ChatGPT doesn’t always keep context or handle large files efficiently.
It’s useful for short files, but if you’re dealing with long reports or research papers, it’s better to use tools made specifically for chatting with PDFs.
If you're okay with uploading files and giving them to ChatGPT, this option definitely works. To do it, you can:
Download your PDF
Give it to ChatGPT
Give it your prompt and what questions you have
Wait for a response
How to Chat With Any PDF With AI
AI PDF tools work directly inside the file. They can read every section, understand context, and keep track of what’s been discussed. This makes it easier to ask follow-up questions, summarize sections, and extract important details.
Unlike general chat tools, AI PDF readers and summarizers are built to process and analyze PDFs in a way that feels natural and efficient.
With the tools listed below, the process is a lot faster:
Open your PDF
Ask a question directly and get an instant answer
10 Best AI Tools to Chat With PDFs
If you are looking for a way to chat with PDFs without having to go directly to ChatGPT, these tools have got you covered.
Here's our list of the 10 best AI tools to chat with PDFs in 2025:
1. AI Blaze
First up on our list of the best free AI tools to chat with PDFs is AI Blaze.
AI Blaze is an all-in-one AI summarizing, studying, and writing assistant that helps you quickly read & summarize PDFs and generate summaries in any format and on any site.
Here's why AI Blaze stands out:
Summarize any PDF with AI - Quickly chat with & summarize PDFs with AI.
Answer questions with AI - Have a question about something in a PDF, article, email, or anything else? AI BLaze can help you answer it in seconds!
No file uploads necessary! - AI Blaze can read any PDF or document, no file upload necessary. Plus, it works with any file type in Chrome!
Save & manage AI prompts, use them anywhere - With AI Blaze, you can save and manage your AI prompts and use them anywhere without having to copy/paste.
AI Blaze is free! - Forget about annoying licenses or subscriptions.
Want to summarize PDFs with AI?
Use AI Blaze to chat with PDFs for free!
2. ChatPDF
ChatPDF allows you to upload a document and start asking questions right away. It reads the full text and creates an internal summary that helps it give better answers.
You can use it to explain technical terms, summarize chapters, or search for specific information inside long files. Tools like ChatPDF are good for quickly interacting with PDFs using AI.
3. SciSpace AI
SciSpace AI is made for academic and research use. It helps users read scientific papers and ask questions about complex topics. When you upload a PDF, the AI explains key terms, summarizes findings, and provides follow-up context for deeper understanding.
It’s useful for students and professionals who deal with technical documents and want to take notes off of PDFs.
4. AskYourPDF
AskYourPDF focuses on document comprehension. You can upload PDFs, highlight text, and ask questions about specific sections.
The AI retrieves relevant answers based on the content rather than keywords. Sites like AskYourPDF are ideal for analyzing contracts, research articles, and detailed reports.
5. ChatDoc
ChatDoc extracts text and tables from PDFs and allows users to interact with the document through questions. You can ask it to summarize sections, identify data, or explain charts.
It works well for business reports, invoices, and technical documentation where precision matters.
6. Sider AI
Sider AI connects with PDFs and other file formats for easy interaction. You can upload a file and use its sidebar chat interface to explore content section by section.
It’s compatible with multiple languages and supports citations and summaries. Sider is designed to help with learning and general document comprehension.
Want to summarize PDFs with AI?
Use AI Blaze to chat with PDFs for free!
7. HiPDF
HiPDF includes a chat feature alongside its PDF editing tools. You can convert, merge, and then chat with the same files in one place.
It provides quick summaries and explanations while maintaining the original document formatting. It’s good for users who already manage PDFs regularly.
8. PDF.ai
PDF.ai lets you have a natural chat with uploaded documents. The AI reads through your file and builds an internal knowledge map that helps it answer complex questions.
You can ask it to summarize, explain, or extract specific parts without scrolling through pages. It’s a flexible tool for both study and business use.
9. Chatize
Chatize focuses on simple, fast PDF interaction. After uploading a document, you can ask questions, highlight information, and save responses.
It remembers your previous questions, helping maintain context throughout a session. This makes it helpful for long-form reading or collaborative work.
10. Documind
Documind combines summarization and chat to help users understand lengthy documents. It identifies the main ideas, extracts data, and lets you ask follow-up questions.
The AI provides responses with references to the original text for better accuracy. It’s built for anyone who needs to understand PDFs quickly and clearly.
Prompts to Use to Chat With PDFs
Using the right prompts helps you get better answers from AI PDF readers. Here are a few examples you can copy and use:
Chat with PDFs & ask questions
This prompt helps you read a PDF and chat with it to ask questions about the content of the PDF. You can add your questions to the placeholder and use this prompt with AI Blaze right in your PDF.
Read PDF & answer questions
You are an AI designed to read and understand the contents of PDFs and documents.
Your task is to analyze the provided file and use its information to accurately answer the user’s questions.
Focus on clear, helpful, and well-structured answers that directly reference the document’s content when relevant.
Here are the questions to answer: {formparagraph: name=questions; cols=40; rows=5}
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Summarize PDFs
This prompt helps you summarize PDFs or documents in the format that you indicate in your prompt. You can fill out the placeholders and use this prompt in any PDF.
Summarize PDFs
You are an AI designed to process and summarize lengthy text files, focusing on key ideas and main points.
Your task is to read and summarize the provided PDF or document.
The purpose of the summary is to give a clear, concise overview so the reader can grasp the main ideas without reading the entire document.
Provide the summary in the following format: {formtext: name=x; cols=5} {formmenu: default=bullets; sentences; paragraphs; pages; name=format}
The summary should focus on: {formparagraph: name=focus points; cols=40; rows=5}
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These prompts make your chat with PDFs more focused and efficient. Make sure to provide the proper context and use the PTCF format (persona, task, context, format) to improve the AI's output.
Start Chatting With PDFs Smarter
AI tools now make it simple to chat with PDFs, summarize content, and get instant answers. Whether you’re working on research, studying, or reading complex files, these AI PDF readers and summarizers can help you save time and stay organized.
To recap, our suggestion for the best free AI tool to chat with PDFs is AI Blaze. AI Blaze is an all-in-one summarizing and writing assistant that you can use to chat with PDFs and generate summaries in seconds! Give it a try for free today!
