In this issue, the PDF reading support tool "ChatPDF".
I want to understand English papers in a jiffy."
"It's a pain to find where the important stuff is written..."
I'm afraid I'm going to get frustrated because I don't understand some of the terms along the way..."
ChatPDF is the perfect reading support tool for such people.
More than 10 million researchers use the system!
Click here for the official website
Official Site：ChatPDF (https://www.chatpdf.com/ja)
Five ChatPDF features
ChatPDFis a reading support tool that reads and analyzes information in uploaded PDF files and answers questions based on that information in a chat format.
It's insanely convenient! Let's take a look at the features!
ChatPDF Features (1): Summarize PDF files
After uploading the PDF file, simply click on the "Please summarize" sign on the right side of the screen!
You can instantly summarize what is written in the PDF file.
Actual summary
You can also specify the number of words and give specific instructions on what to focus on, such as "Summarize in about 500 words," or "Summarize about 00.
AkanonThe answers come with a PDF citation page so you can see at a glance which part of the answer was taken from!
ChatPDF features (2): Ask questions in chat format
ChatPDFwill respond to you in a chat format about what is written in the PDF.
If you only want pinpoint information, you can ask a question in the chat and it will be solved in one shot!
What reagents did you use in the 00 experiment?"
What is the proper temperature to control 00?"
If there is a technical term that is unclear, do not leave the paper, just ask in the chat.
Drag and select a word and click on the answer you want supported by "Explain," "Summarize," or "Rewrite.
Actual Chat
AkanonYou can understand the contents in a short time because you don't have to look them up in a separate tab.
You can also ask questions that come up as you read, and your understanding will deepen as you go along.
ChatPDF Features (3): Diagrams and charts can be explained.
ChatPDFFigures and tables can be explained in the following section.
Enclose the part of the diagram you want explained.
A description of the diagram will automatically appear in the chat box.
If you tell them to translate your message into Japanese, they will do so instantly!
Actual Chat
ChatPDF features (4): Multiple files and chatting
Uploading multiple files to a folder allows users to chat with each other based on information from multiple papers.
This function is useful when there are multiple similar papers or when there are multiple separate files containing information.
AkanonOnly ChatPDF has this feature!
ChatPDF features (5): management sharing
A chat record is kept for each paper.So, you can review later what you read the paper for.
The icons in the upper right corner of the screen are "Share", "Rename Chat", "Export", "Reset", and "Delete".
In "Share Chat," a link is issued, so you can share the chat content by sending the link to the person you want to share it with.
When exported, the chat content can be downloaded as a text file.
Click here for the official website
Official Site：ChatPDF (https://www.chatpdf.com/ja)
ChatPDF Pricing Plans
- Free Plan
- Plus Plan
- From about 800 yen/month
Difference between Free Plan and Plus Plan
The differences between the free version and the Plus plan are as follows (as of February 2025)
| Free Plan | Plus Plan | |
|---|---|---|
| Number of PDFs | 2 pcs/day | limitless |
| Number of questions | 20 times/day | limitless |
| Number of pages | 120 pp. | 2000 pages |
| Number of PDFs in folder | 5 pieces | 50 pieces |
| Maximum size | 10MB | 32MB |
Free restrictions are subject to change, so please contact the official website for more information.
The free version allows up to two PDFs to be uploaded per day.
This may not be enough for researchers who need to read papers on a daily basis.
Plus Plan Rates
| Monthly Plan | Recommendation Annual Plan |
|---|---|
| 1,599 yen/month | 799.92 yen/month (10,900 yen/year) |
*Check the official website for changes.
Click here for the official website
Official Site：ChatPDF (https://www.chatpdf.com/ja)
How to start ChatPDF
ChatPDFcan be started immediately with no registration required.
Simply access the official website and upload your files.
If you want to save your papers or chat history, register a new one.
- Sign in with Google
- New Registration with Email and Password
How to upgrade ChatPDF
Click on the "Upgrade to Plus" button that appears in the lower left corner when you log in and use the system.
Select a monthly or annual plan to upgrade.
Credit cards are accepted for payment.
Other benefits of ChatPDF
Support for more than just PDF files
ChatPDF will also support the following files and summarize their contents
- PDF(.pdf)
- Word(.doc, .docx)
- PowerPoint(.ppt, .pptx)
- Markdown(.md)
- Text (.txt)
No membership registration required
Anyone can easily use the system without registering as a member!
Sign up and you'll have a history.
Register your email address and sign up to keep your history.
Google accounts are also available.
Japanese (multilingual) support
The system is multilingual and can communicate in Japanese.
It is also useful when reading non-Japanese papers!
Disadvantages of ChatPDF
Fewer functions other than reading
Since the tool is primarily intended for reading PDF files, it does not offer a full range of other features, such as article search.
Similar tools to ChatPDF
SciSpace (all-in-one)
The reading support portion of SciSpace is similar to ChatPDF.
SciSpaceis the most researcher-focusedAll-in-one toolIt is.
AkanonI am a heavy user myself.
Various functions from searching to reading are included.
Among the various functions of SciSpace, the following functions are particularly recommended.
- Search for the latest papers (Deep Review)
- AI's paper reading support
The accuracy of the article search isDeep ReviewThe bombing was triggered by the debut of the
AkanonIt is intuitive to use, with no prompts required.
In addition, AI will answer various questions in the space next to the paper in the paper reading support.
AkanonCan be explained down to the diagram.
AI for researchers with many other features.
SciSpace Feature List
Search Support Cited summaries, article abstract extraction, and concept search functions
Reading Support Summary, chat support for unclear points, explanations of figures and tables, note highlighting function NOTE
Library Functions Table-style management of papers
Writing Support AI Writer, Quote Generation, Paraphraser, AI Detector
Creating Presentations Automatically create short videos and slides from PDFs
Other Podcasts, Zotero integration, Chrome extensions
The Premium plan includes all these various features and costs about 1,100 yen/month.
The Adcanced plan with unlimited Deep Review costs about 6,300 yen/month.
AkanonI am also a Premium plan user for over a year and it is well worth the price.
Overview of SciSpace Pricing Plans
| Free Plan | All functions available Limited number of times for some : The accuracy of the AI is greatly inferior. |
|---|---|
| Paid Plans | Premium Plan monthly amount (sum)7.2 U.S. dollars～ Adcanced Plan monthly amount (sum)$42.00～ (When using promo code) |
| Deals Memo | 40% OFF Promo Code. Premium Plan ACADEMIA Adcanced Plan ANDR40." |
For more information.
Official Site：SciSpace（https://typeset.io/）
explanatory article：Why use SciSpace? Detailed explanation of 5 functions and fee plans
explanatory article：About Deep Review
Paperguide (all-in-one)
It has features similar to SciSpace, but with a focus on AI writers.Paperguide。
- Active as a thesis AI writer
- It covers everything from paper search to reading support.All-in-one tool
By entering a prompt, the system will automatically generate the headline first.
After confirming and revising the direction of the headline and finalizing it, the next step is the body.
Other features are really similar to SciSpace.
AkanonI love that I can even do citation and plagiarism checks on Paperguide!
Paperguide Feature List
Search Support Summary with citations, abstract extraction of articles
Reading Support Summary, chat support for unclear points, explanations of figures and tables, note-taking function
Library Functions Table-style management of papers
Writing Support AI writer, citation generation, plagiarism check
Other Zotero Linkage
Paperguide Rate Plan Overview
| Free Plan | All functions available Number of outputs and storage are limited. : The accuracy of AI remains the same. |
|---|---|
| Paid Plans | monthly amount (sum)$9.00～ |
| Deals Memo | 25% off with annual plan |
For more information.
Official Site：Paperguide (https://paperguide.ai/）
explanatory article：What are Paperguide's features and fees? An active researcher explains an AI tool that streamlines paper writing
SciSummary (Reading of thesis)
Scisummaryis another reading support tool specialized for scientific papers.
It instantly presents highly accurate summaries, summaries, etc. in Japanese.
- PDF reading tool specialized for scientific literature
- Reading function for charts and tables is also included.
- Can communicate on an email basis.No need to open a browser because
You can also read and understand charts and diagrams.
AkanonA nice feature is the ability to communicate on an email basis.
- Send PDF via email and receive summary via email
- Upload a PDF in your browser and receive a summary via email
Since you don't have to bother to open your browser, it is ideal for reading papers in your spare time.
AkanonYour daily abstracts will double!
It is highly recommended for researchers in phases that require reading a large number of papers.
The price is less than one coin.
List of Scisummary Features
Reading Support Summaries, charts and tables
Library Functions Thesis Preservation
Other Email-based communication
Overview of Scisummary's fee plans
| Free Plan | Available on a trial basis |
|---|---|
| Paid Plans | monthly amount (sum)From $2.92 |
| Deals | 40% off with annual plan |
For more information.
Official Site：Scisummary (https://scisummary.com/）
explanatory article：2024 Newest] What is SciSummary, a summary tool specialized for scientific papers? Explanation of usage and pricing plans
Frequently Asked Questions about ChatPDF
- Who should use ChatPDF?
-
- Students, researchers, and business people who need to read large volumes of documents
- People who work internationally with multilingual documents
- How do you use it differently from other similar tools?
-
It is basically the same as SciSpace and Paperguide,
- Fast response
- Accuracy.
- When you extract information from a PDF file, you can jump to the relevant section with a single click.
- Chat history can be saved along with papers.
My personal opinion is that it is very easy to use and may be my favorite of the reading supports...such as
If you prefer the convenience of email-based communication and want to read many articles quicklyScisummaryIf you want to take your time reading a single paper, you can use theSciSpaceis convenient.
- Do you support more than just PDF files?
-
ChatPDF supports many file formats, including PDF (.pdf), Word (.doc, .docx), PowerPoint (.ppt, .pptx), Markdown (.md), and Text (.txt).
Summary of ChatPDF
- Easy to summarize papers you want to read
- You can ask questions in a chat format.
- Diagrams and explanations are also acceptable.
- Multiple papers can be read.
- Up to two files per day free of charge
ChatPDFis a very useful tool that can greatly reduce the time spent on reading!
Please try to use it!
Click here for the official website
Official Site：ChatPDF (https://www.chatpdf.com/ja)
AkanonThank you for reading to the end.
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