Exploring ChatPDF Alternatives for Advanced Users [13 Choices]
Summary :
This page shares 13 ChatPDF alternatives without limits on file size and numbers. Pros and cons, user ratings, applicable systems, general features, and security of each web page or software are also listed below.
Top 13 ChatPDF Alternatives
As an AI PDF management tool, chatpdf.com allows you to chat with PDF to quickly access content information, note summaries, or paragraph analysis. Even though you can use chatpdf.com to streamline your PDF-related work, you can only upload a file that limits to 10MB, and the file’s maximum page number is 120 pages.
Well, no worries! This post covers a dozen of ChatPDF alternatives that offer you more choices without limitations, and you can even analyze your PDFs by chatting with them. Besides, some free AI PDF summarizers may also be helpful to you.
To improve your work efficiency, take a look at these 13 ChatPDF alternatives you can try.
Do Not Miss: 4 Ways to Use AI Assistant to Summarize Research Articles
Comparison of 13 Alternatives
| Product | Score | Key Feature | Compatibility | Safety |
| Chatbot | 4.9 | An interactive chatting experience in PDF without any restrictions | Windows 10, 11 | Very reliable |
| ChatGPT | 4.5 | A natural, interactive conversational experience | Online | Your information may be shared |
| PDFGPT.IO | 4.6 | Streamline workflow and provide accurate answers | Online | Questioned |
| Sharly AI | 4.5 | Provide dialogue to download and share | Online | More trustworthy |
| SciSummary | 3.9 | Quick summary and read the documentation | Online | No full guarantee of security |
| ChaturGPT | 4.7 | Auto-match the best answer | Online | Reliable |
| Poe | 4.6 | Support multilingual communication and answer questions accurately | iOS, iPad 15.0 or higher, macOS 12.0 or higher | Trustworthy |
| ChatDOC | 4.7 | Real-time answers and data optimization | Online | Safe |
| Bard | 4.6 | Provide quick and fluent answers | Google Chrome | Very safe |
| ChatSonic | 4.9 | Read text, images, and code | Google Chrome | Help block malicious activity |
| YouChat | 4.0 | Provide summary translation and interpretation services | Windows, Mac, iOS, and Android | Request to delete information |
| Bearly.ai | 4.0 | Summarize the article, extract the outline, and rewrite the article | Linux, Mac, and Windows | Combat privacy violations such as ads and trackers |
| Perplexity | 4.8 | Accurate and quick answers | Chrome and iPhone | Visitor login available |
PDFgear Chatbot
PDFgear published a new feature, PDFgear Chatbot, which is powered by ChatGPT-4. PDFgear Chatbot is a piece of software compatible with Windows 10 and Windows 11. You can overview a page, summarize an article, analyze information and data, or locate a sentence by chatting with PDF in the chat box. Also, you can experience a technology that gets a whole answer from multiple PDFs for free.
PDFgear Chatbot
Price: Completely Free
PROS
- Precise matching of questions and references
- Intelligently summarize, analyze, and extract information from PDF
- Scan and extract multiple PDFs to get an overall answer
- Stay on track with the session resume
- Powerful and comprehensive editing capabilities while chatting
CONS
- Questions need to be more precise to get the answer you want
- Can only access text messages and cannot read image messages
- PDFgear Chatbot is now only available for Windows 10 and Windows 11
Compatible Platform: Windows 10, 11
Safety: PDFgear does not store your personal information or data privacy in the cloud, and your information will be erased as soon as you exit the program.
PDFgear is an all-in-one PDF Chatbot. You can easily communicate with PDF, get a deep and comprehensive understanding of PDF, and experience a smooth and interactive dialogue.
ChatGPT
ChatGPT, taking advantage of AI, quickly captures a large market share. With over 100 million users in just 2 months, ChatGPT has become the fastest-growing consumer app in history. ChatGPT chatbot collects a large number of language models, a wide range of topic text, and different training data to provide a more natural and interactive conversation experience. You can paste the article into the dialog box. By making a question like “Can you tell me the main topic on this page?”, you can get an answer quickly.
The Main Interface of ChatGPT
Price: Free or $20/month
PROS
- Professional and unique answers to your questions and needs
- Automated workflow
- Immersive conversational experience without any form of advertising in the interface
- Powerful knowledge base with 86 options for users
- Real-time assistance for users
CONS
- Occasional system crashes or error reporting
- Questionable data security
Compatible Platform: Web-based
Safety: Your IP address, browser information, content information, and website data are read and collected by ChatGPT, and OpenAI has stated that it may share this information with other third parties.
PDFGPT.IO
PDFGPT.IO is an artificial intelligence tool that provides a chat service specifically for documents. You don’t need to spend much time learning the operation process of PDFGPT. Once you upload the file and ask the question, you can get the accurate information you want.
PDFGPT.IO Dialog Box
Price: Free
PROS
- Simple and intuitive interface for easy navigation
- Save reading time and help you get your work done efficiently
- Highly accurate and fast answers
- 18 different options are available
CONS
- Support English, Chinese, and Spanish only
- Require an API Key to access the program
Compatible Platform: Web-based
Safety: PDFGPT.IO provides a valid SSL certificate but does not have a very high trust score on some security review sites such as ScamAdviser.com.
Sharly AI
Sharly AI is an AI program that can analyze information in your document. Not only can you upload local documents in any format, but you can also add documents via links or paste text content directly into the website to start a chat. You can generate questions automatically by clicking the given prompt words. You can browse through the documents while making a conversation.
Sharp AI Conversations
Price: Free or $5/month
PROS
- Support multiple file formats of different types
- Fast response and 95% accuracy rate
- The share function allows you to share with colleagues or friends at any time
- Easy to use, saving your time spent on reading and analysis
CONS
- The subscription version still has usage limitations (up to 20 documents)
- English language support only
Compatible Platform: Web-based
Safety: Sharly AI is a very new site, and it is safe from our experience recently. However, you need to protect and hide private information on your own during use.
SciSummary
Science Summary is an intelligent tool for summarizing the main idea, key words, future prospects, and so on. SciSummary uses the GPT-3 model to complete technical breakthroughs and program upgrades to better read and summarize articles, so you can quickly understand important information in a short time. However, the questions are set and you cannot edit the questions yourself.
Summarize Your PDF in SciSummary
Price: Free
PROS
- You can upload documents directly after registration.
- Currently in public beta, no need to pay for access
- Respond quickly and summarizes even long texts in seconds
CONS
- Forced login
- Questions are fixed and cannot be changed
Compatible Platform: Web-based
Safety: SciSummary may disclose your information with your consent, so this site cannot guarantee the absolute security of your information.
ChaturGPT
ChaturGPT is a chat tool that allows you to discuss any content information in a document. You can ask unlimited questions about the uploaded document to get an in-depth understanding and analysis. Whether you upload a PDF, Word, textbook, bank statement, or even a code document, ChaturGPT can automatically find and match the best answer for you.
Get Answers from ChaturGPT
Price: Free
PROS
- Unlimited number of sessions
- No strict requirements on the format of the uploaded documents
- Efficient response and parsing
- Natural language generation
CONS
- Maximum file size limit of 100MB
- The file cannot be viewed after upload
Compatible Platform: Web-based
Safety: ChaturGPT is committed to protecting the security and privacy of your documents. Once you exit the web, your document records and sessions will be immediately erased.
Poe
Poe-Fast AI Chat will answer any question you ask very precisely and complete the conversation in real-time. Mobile device support allows you to get solutions from Poe even when you are traveling or on business. Unlike other chat software, Poe allows users to access GPT-4, gpt-3.5-turbo, Claude by Anthropic, or a variety of other bots.
Experience Fast AI Chat in Poe
Price: Free or $19.99/month, $199.99/year
PROS
- Multilingual Q&A support
- Mobile device support
- Linkage to a variety of other chat tools
- Provide subscription cancellation time
CONS
- Less user-friendly on non-iOS platforms
- High subscription fees
Compatible Platform: iOS 15.0 or higher, iPadOS 15.0 or higher, and macOS 12.0 or higher with Apple M1 chip.
Safety: Poe is committed to not sharing your information with third parties for any purpose, and even their internal developers do not have access to your personal information or data files.
ChatDOC
ChatDOC is an online tool based on ChatGPT-3, which provides users with a smooth way to understand various document information through chat. You can get a full understanding of the content, citation sources, and data information in PDFs through ChatDOC’s real-time replies. However, you need to convert your files to PDF format before uploading them.
Understand Document Info Through ChatDOC
Price: Free
PROS
- Store documents in cloud space
- Extract and summarize key information from PDFs
- Use for data optimization and analysis
- Search for multiple documents
CONS
- Limited to 5 uploads of no more than 200 pages in 24 hours
- The free version can only present up to 300 sessions
Compatible Platform: Web-based
Safety: ChatDOC states that it will adhere to strict cyber security protocols to ensure the privacy of all users.
Bard
Bard AI is another online tool that provides AI chat after ChatGPT, which has received a lot of attention from users. At the beginning of the release, Google sent out a link to a queue for registration, and you can start using the program only after you receive a notification. By entering the site, pasting document information into a dialog box, and asking a question, you can have Bard find an answer based on your content. Surprisingly, you will get some additional suggestions from Bard than the text you provided.
Gain Solutions from Bard
Price: Free
PROS
- Fast response with few lags or crashes
- Very easy to use interface without spending time to understand the logic
- The generated tone of voice is very user-friendly
CONS
- Currently only supports one language, English
- The accuracy of the information provided cannot be guaranteed
Compatible Platform: Google Chrome
Safety: Bard takes the security and privacy of its users very seriously, and therefore it does not sell their information for any purpose. In addition, Bard uses automated tools to help visitors delete information.
ChatSonic
ChatSonic is recognized by most people as the only conversational smart chat tool on the market today that surpasses ChatGPT. With the help of ChatSonic, you can get any information you want. Additionally, you can download and share the conversations with others. And not only text but also images can be read and generated in ChatSonic without any difficulty.
Share Conversations with ChatSonic
Price: Free or $12.67/month
PROS
- Voice conversation support
- Advanced natural language processing technology and personalized custom responses
- Up-to-date data and image extraction
- Support for dozens of language settings
CONS
- Sometimes there are issues with duplicated answers/generation
- Network errors can be frustrating
Compatible Platform: Google Chrome
Safety: Chatsonic provides a built-in security feature. End-to-end encryption can protect your data. And it actively helps block malicious activity.
YouChat
YouChat is currently an AI chat tool in beta, so you don’t need to spend any subscription fee in using it. For the document section, YouChat provides you with the experience of translation, summarization, and explanation of the service. Also, a dark color mode for low-light conditions can provide a more comfortable experience.
Manage Your Files in YouChat
Price: Free
PROS
- 55 different options for all users
- No restrictions on where users live
- Multi-mode search with tables, text, graphics, codes, etc.
- Provide references and sources for answers so users can check facts
CONS
- Accuracy cannot be guaranteed
- Out-of-date links exist
Compatible Platform: Windows, Mac, iOS, and Android
Safety: YouChat will ask for your permission before placing your information on the website as promotional material, and you can request the removal of your information by emailing the official.
Bearly.ai
Bearly.ai is a great AI companion for summarizing, outlining, or rewriting articles. Especially for researchers, Bearly.ai provides you with more than 60 alternative plans to get the information and key points of a document quickly.
Get Key Info from Bearly.ai
Price: Free
PROS
- Save a lot of time reading documents
- Provide shortcut access
- Offer you high-quality answers
CONS
- Support English language settings only
Compatible Platform: Linux, Mac, and Windows
Safety: Bearly.ai focuses on protecting users’ privacy by fighting ads, identifying trackers, blocking privacy-invasive tools, and more, and it puts keeping users’ information safe into practice.
Perplexity AI
Perplexity AI is a conversational chat tool that can solve your problems. It supports online Q&A, the Google Chrome plugin, and a new app for the iPhone. For document analysis, you need to paste the content into the website dialog box and then ask a question. You can get a more accurate answer after a few seconds.
Start Dialog in Perplexity
Price: Free
PROS
- Tips for searching for related questions
- Chrome extension version available
- Support information sharing
- Provide interesting and insightful answers
CONS
- The question word count is limited to 2048 characters
- Conversation skills need to be improved
Compatible Platform: Chrome and iPhone
Safety: You won’t be forced to sign in to Perplexity AI, so you don’t have to worry about it saving any of your private information.
FAQs
– What Is the Best Alternative for ChatPDF for Free?
Among all the websites and software we have reviewed, PDFgear is recommended as the best free alternative to ChatPDF. There are no limits to file number, size, or page count. You will experience a hassle-free way to quickly browse, ask questions in PDFs, and chat with your documents smoothly.
– How Can I Chat with PDF to Get Information?
Enter PDFgear Chatbot, upload your document, and type in your question on the right side of the chat screen to get a quick and accurate answer and the location of the information. Of course, if you want to get more specific and accurate answers, you need to compose a detailed question.
Conclusion
You have gained a selection of 13 tools for chatting with documents from the introduction above. They can all be an alternative to ChatPDF. When you are hesitating and struggling with how to choose and select, start with PDFgear Chatbot and try it out.
