The 7 Best Free AI PDF Readers in 2023

Summary :

In this article, you are going to see the 7 Best Free AI PDF Readers in 2023. As a result, these readers provide advanced functionality, enabling users to work more conveniently with PDF files.

Table of Contents

Best Free AI PDF Readers

Best Free AI PDF Readers

Artificial intelligence, or AI, is rapidly transforming our lives and taking over a wide range of tasks. A PDF reader powered by AI can enhance your experience even when working with PDFs.

In this article, you are going to see the 7 best free AI PDF readers in 2023. As a result, these readers provide advanced functionality, enabling users to work more conveniently with PDF files. Check out the following AI PDF tools if that applies to you. Interested in learning more? If yes, then continue reading!

Comparing the 7 Best Free AI PDF Readers

The following table compares the seven best AI PDF readers to help you make an informed decision. It allows you to compare the differences between each tool by looking at different factors. The best tool for your needs can be chosen by considering these factors.

Name Verdict Pricing
PDFgear With PDFgear Copilot, you can read, compress, convert, summarize, and ask from PDFs using AI-powered natural language processing (NLP) Completely Free
ChatPDF With ChatPDF, you can get answers about any PDF you uploaded using GPT 3.5 from OpenAI. Plus version is $60 per year for all users.
Foxit Reader Knowledge workers can do more with documents and increase their productivity using Foxit’s AI PDF reader and eSignature products. PDF Editor Suite Pro: $139/year
PDFGPT.IO Your PDF documents will be delivered in real-time with accurate and relevant answers by PDFGPT.IO. Advanced: $9.99/month

Ultimate: $19.99/month

Premium: $49.99/month

NaturalReader Listen to your documents, ebooks, or school materials anywhere with NaturalReader, which converts text, PDF, and 20+ formats into spoken audio. Personal: $99.50

Professional: $129.50

Ultimate: $199.50

LightPDF You can convert, OCR, edit, and even communicate with PDFs with AI chatbots with LightPDF’s 24 free online tools. Billed Annually: $5 per month

Billed Monthly: $19.99 per month. You can cancel the subscription anytime.

AlgoDocs The AlgoDocs solution uses cutting-edge technologies to provide you with a web-based AI data extraction platform. PDF and image files can be extracted for specific fields or tables. Basic package: $23/Month

Business package: $84/Month

Ultimate package: $175/Month


This new technology helps extract information from large PDF files quickly using PDFgear Chatbot integrated with the new ChatGPT API. There are many types of PDF use cases, such as books, textbooks, essays, legal contracts, research papers, etc. Furthermore, it was named the best AI summarizer.

Whenever you have a question, you simply upload one or more PDF files and ask with this free AI PDF reader. This method gives you a more targeted answer to your questions than getting a summary of the whole document within a few seconds. Despite what may seem like an impossible promise, more surprises await. Since PDFgear Chatbot’s developers want to grow the user base, it’s also free right now. Additionally, you can see how your project is progressing. The last message you sent can be recovered at any time and used to ask a new question. Lastly, the program does not save any of your information. There are no restrictions on using PDFgear Chatbot!

PDFGear: Best AI PDF Reader

PDFgear: Best AI PDF Reader

In addition, PDFgear Chatbot will keep a record of your previous chat messages and the questions you ask before as well. When using AI chat tools, some may be concerned about their privacy. A comprehensive privacy policy is provided by PDFgear, however, to protect your online chats and all their contents. Now you can use PDFgear Chatbot for free. Get to know PDF files effortlessly by starting with PDFgear.

Key Features

  • An AI summarizer and PDF editor that is completely free to use
  • As soon as the PDF is imported, it is automatically summarized
  • Multiple PDFs can be merged at once using the PDF merger feature
  • PDF documents can be interacted with using prompts


  • You can ask more questions about PDFgear during the conversation.
  • PDFgear Desktop will remain free of charge. Download it and spread the word!
  • After the dialog, the program will automatically delete your personal information and private data. Privacy leaks are not a concern.


  • Nothing to complain about this.

Go to the PDFgear Website.


ChatPDF enhances your learning experience with an AI-driven PDF reader. Textbooks, presentations, and handouts can be easily understood with ChatPDF. Your academic growth is supported by this tool. You must sign in to save your chat history so that you can track your progress. In addition to sharing, renaming, exporting, resetting, and deleting your chats, this tool lets you completely control the interaction between you and your peers.

This Top AI PDF reader tool automatically generates concise summaries of your documents without you having to do anything. The more questions you ask directly related to the PDF, the more interactive the learning becomes. As many PDFs as you want can be uploaded to your account. Additionally, you can upload files up to 32 MB in size which is quite enough for everyone.

ChatPDF AI PDF Reader

ChatPDF AI PDF Reader

It supports multiple languages and is based on GPT 3.5. Despite not being able to read PDF images, it is capable of understanding tabular data to some degree. Exporting your chat history is possible with ChatPDF. The document can also be shared via a link. There may also be information in ChatPDF responses that was not listed in the uploaded file. Make sure any answers you give are accurate by double-checking.

Key Features

  • Names, dates, addresses, and other pertinent information can be extracted from PDF documents using ChatGPT.
  • In addition to academic, business, and personal settings, ChatPDF can also be used for projects and presentations.


  • You can upload and convert your pdf files over 25 different languages. It also allows you to translate your documents.
  • As well as enabling secure document sharing and discussion, it is also ideal for individuals wishing to protect their files at the same time.
  • Businesses can share proposals and contracts through it, while students and educators can collaborate on a research paper.


  • Sometimes, it provides you with excessive information.

Go to the ChatPDF Website.

Foxit Reader

In the industry, Foxit is one of the most popular offline PDF readers. With this AI PDF Reader, you’ll have access to many features, and it’s very fast as well. PDF documents can be easily opened, highlighted, filled out, and signed from anywhere and on any device. A PDF can be read and printed quickly and easily with this program. Forms in PDF and XFA formats can also be completed using it.

Now Foxit Phantom has a series of AI features such as AI redact tool, educational AI, and AI assistance.

Foxit AI PDF Reader

Foxit AI PDF Reader

Multiple PDF files can be combined into one PDF file using Foxit Reader and shared securely over the cloud. In addition to encryption and passwords, it also features a digital signature function to protect your files. Even JavaScript embedded in PDFs can be disabled in safe reading mode.

Key Features

  • Any text can be summarized quickly and accurately with Foxit. With advanced AI algorithms, it uses natural language processing and machine learning to identify important information within the content.
  • Using natural language processing, Foxit PDF Reader’s chatbot answers users’ questions in real-time. A user can receive prompt assistance thanks to interactive features that facilitate communication and support.
  • In addition to rephrasing or paraphrasing text, it preserves the original meaning. With this useful tool, you can optimize your content for search engines and manage your content marketing campaigns.


  • The feature to ensure document security for news organizations is important.
  • Reports prepared annually/monthly must include enhanced graphics and visuals.


  • As far as OCR technology is concerned, Foxit is lagging behind.

Go to the Foxit Reader Website.


You can also use PDFGPT.IO to summarize PDFs and answer questions online. Your PDF documents can be uploaded effortlessly using this tool, and you will receive concise summaries and accurate responses. In addition to extracting key information from coursework, research papers, and long client requirements, this PDF AI reader works by using advanced artificial intelligence algorithms.



Using PDFGPT.IO, you can read PDFs and generate queries more efficiently. As well as viewing your PDF documents, this AI PDF reader tool allows you to generate queries directly from its interface. It is even possible for users to maximize their benefits by upgrading to the premium plan. Those who need to read a lot and do a lot of research will appreciate your subscription’s unlimited access to 7,000 pages a month.

Key Features

  • Efficient summarization: Organize lengthy client instructions, study materials, and research papers into a concise statement
  • Versatile use cases: Whether you are a student, researcher, journalist, or business interested in reducing costs and increasing productivity.
  • Accurate results: Provides reliable and accurate summaries and answers based on advanced AI algorithms.
  • User-friendly interface: Simple uploading and downloading process, easy to use.
  • Customizable options: Select which sections or pages should be summarized, as well as how much detail should be included.


  • Moreover, larger and more complicated PDFs can be uploaded with file sizes of up to 50 MB.
  • Get your work done more efficiently and save time when reading.
  • A wide range of users will find PDFGPT.IO to be a valuable tool due to its ability to provide accurate and efficient summarization.
  • Easy-to-use interface with a simple and intuitive design.
  • It provides you with highly accurate and fast answers.


  • To access the program, you will need a paid API Key.

Go to the PDFGPT.IO Website.


NaturalReader is an AI tool that converts text into spoken words using artificial intelligence. Basically, you can listen to books, documents, and school material wherever and whenever you want. The program works on a variety of devices, including computers, smartphones, and tablets. NaturalReader’s features can all be accessed from one account.

In just a few minutes, anyone can use Natural Reader thanks to its clean and simple user interface. Additionally, this program’s synthetic speech output can be customized, making it one of its most appealing features. There is also an option to pause or emphasize certain words or phrases, as well as adjust the speed, volume, or pitch of the speech. It is easier to understand and more engaging for the end user if the synthetic speech output is customized.

NaturalReader AI PDF Viewer

NaturalReader AI PDF Viewer

There are a number of incredible features included in the AI-powered NaturalReader. Listening to PDFs has never been easier with this tool. In addition to being able to reverse, forward, and pause the audio, they also have the ability to control the playback of the audio. As well as being able to adjust the speed of the voice reading, the user of this AI PDF voice reader can also adjust the volume.

Key Features

  • Listen to your documents, ebooks, or school materials anywhere with NaturalReader, which converts text, PDF, and 20+ formats into spoken audio.
  • The app easily converts PDFs and images into MP3s and allows you to listen straight away.
  • Your reading will be smoother, more efficient, and more enjoyable with AI Smart Filter.


  • You can save a lot of time and energy using it.
  • You can use it for 20 minutes a day for free
  • Modes for Windows, Mac, and Online


  • NaturalReader Commercial is not free, which is its biggest drawback.

Go to the NaturalReader Website.


PDFs can be converted, protected, and edited with LightPDF’s dozens of tools. AI chatbots are being developed to read PDF files. You can also generate summaries, outlines, and tables using the tool as well as get quick answers. There’s something really handy about this feature: you can quickly double-check the information by viewing the page number of the file from which it was extracted.

LightPDF Tool

LightPDF Tool

Light PDFs cloud and collaboration features are among its highlights. Uploaded PDFs can be shared or used later in the cloud thanks to cloud support. The files can also be accessed from anywhere and collaborated on in real-time by remote teammates. The LightPDF app is also available on mobile devices and desktops, even though it works seamlessly in the browser.

Key Features

  • Edit and read PDF files
  • PDF files can be watermarked
  • Split a PDF file
  • Multi-file PDF combining
  • Sign a PDF
  • PDF files can be compressed
  • PDF annotations
  • Encrypt PDFs


  • This tool is quite easy to use for everyone and gives you the best-optimizing results.
  • A wide range of tools are offered by this tool, including the ability to convert and integrate images into pdf files.


  • You will face some limitations when you are working online.

Go to the LightPDF Website.


Data extraction is made easier with AlgoDocs AI Platform for Data Extraction. PDFs & images can be extracted for specific fields or tables. You can also export your data to Excel or integrate it with accounting software.

Data extraction processes at AlgoDocs use Artificial Intelligence. Optical Character Recognition (OCR) and Image Processing (IPR) technologies are incorporated into its Highly Advanced Algorithms. Using OCR, AlgoDocs extracts data with high accuracy. Artificial Intelligence and Self-Learning Algorithms are used to extract text from PDF documents.

AlgoDocs PDF Reader

AlgoDocs PDF Reader

Key Features

  • Payroll information and other HR forms and applications can be extracted and prepared in AlgoDocs.
  • With AlgoDocs’ built-in OCR engine and parser, you can reliably extract product lists and tables from PDF or scanned documents.
  • Statistical results in the form of charts and tables are reliably extracted by AlgoDocs.


  • A slick customer experience, great customer service, ease of use, time-saving.


  • I didn’t dislike anything about AlgoDocs.

Go to the AlgoDocs Website


What are the best AI PDF readers?

There are a few AI PDF readers that are worth checking out:

  • PDFgear
  • ChatPDF
  • Foxit Reader
  • Natural Reader

Is there an AI that reads PDFs and answers?

You can use NaturalReader to turn your PDF files, text, and other stuff into spoken words using the AI in it. Users will find it easy to listen to their PDFs using this tool. Another benefit is that the speed of the audio can be adjusted to suit the user’s preference, allowing users to fine-tune their experience.

Which AI chatbot can read PDF files?

By using information from the internet, ChatGPT and GPT-powered PDFgear Chatbot are able to answer your questions quickly. ChatGPT has the ability to read PDF files and discuss their contents in real-time, which is very surprising to most people.

Final Verdict

In summary, we found that the 7 Best AI PDF readers offer unique AI features and are compatible with a wide range of platforms. To make the decision of which PDF tool to use easier, we have compiled a comprehensive list. Our recommendation for using PDFgear is that it offers many useful features to make reading PDFs more enjoyable.

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