Humata
ProductivitySearch, summarize and compare uploaded documents with source-linked answers. Humata adds team-oriented document access and page-based plans for ongoing knowledge work.
Questions across filesCited passages
Document questions with linked citations
ChatPDF
Ask questions about PDFs and other supported documents, then jump from an answer to the cited source. ChatPDF combines document reading, summaries and multi-file conversations in a browser workspace.
ChatPDF official document workspace before uploading a fileExplore the image ↓
What you can do with it
What it is for
ChatPDF focuses on an everyday research problem: finding the part of a document that answers a question. Its side-by-side layout keeps the conversation and source document together, while linked citations help you inspect the evidence behind an answer. This is useful for initial reading and targeted follow-up questions.
For a useful first test, choose a public report with a table, a definition and a stated limitation. Ask one question about each, open the cited passages and compare the answers with your own reading. The goal is faster navigation with reliable checks, not replacing every page with a short summary.
01
Paper screening
02
Manual lookup
03
Report comparison
A closer look at the product
Official product image. Click to inspect the details.
Official product preview
Key features, practical tasks
Capabilities in practice
Source-linked answers
Citations connect an answer with the relevant document page. Read the surrounding paragraph to check conditions that may be omitted from a short response.
Side-by-side reading
Keep the PDF and conversation visible together. This makes it easier to follow an explanation while checking the original wording.
Multiple-document folders
Group related files and ask cross-document questions. Label versions clearly so an older report is not confused with an update.
More than PDF
The official format list includes Word, PowerPoint, Markdown and text files as well as PDF. Confirm that the content is readable after upload.
Multilingual questions
Read a document in one language and ask about it in another. Preserve names, units and quotations in the original language when precision matters.
Suitable projects
- Paper screening — Locate the research question, method, sample and stated limitations before committing to a detailed reading.
- Manual lookup — Ask for the section describing a configuration step, then follow the original instructions in context.
- Report comparison — Compare a small set of reports using the same questions and require a source for each difference.
Get started, step by step
- 01
Choose a readable source
- 02
Ask a specific question
- 03
Open the citations
- 04
Organize the result
A first project, from start to finish
A first project, from start to finish
Choose a readable source
Start with a public, text-based document and give it a descriptive filename. Check that tables and section headings are visible.
Ask a specific question
Name the topic and requested output, such as a table of limitations with page references.
Open the citations
Read each cited passage and compare numbers, units and scope with the generated answer.
Organize the result
Save the accepted notes with document titles and page references. Add related files only when a cross-document question requires them.
Find the right plan for you
Plans and usage
Explore official plans ↗2 documents/day free / regional Plus plans
Pricing checked on October 5, 2026. See plan details below.
Plans and billing
The free plan currently allows analysis of two documents per day. Core use can be tried without registering, while an account enables features such as saved history and multi-document organization.
The observed Plus dialog offers unlimited PDFs and questions but still limits each PDF to 2,000 pages and each folder to 50 PDFs. The Singapore-dollar view shows SGD 15.99 monthly or SGD 9.92 per month equivalent on annual billing. Currency and final billing details should be checked in the local offer.
A few things worth knowing
Frequently asked questions
Must I register to try it?
Core use can be tried without an account; saved history and additional organization features require one.
Is it limited to PDFs?
No. The official list also includes Word, PowerPoint, Markdown and plain text.
Do citations guarantee a correct answer?
No. Open the passage and check that it actually supports the answer and its scope.
Can I compare files?
Related documents can be organized in a folder for multi-file questions, subject to plan limits.
Does unlimited mean no document limits?
No. Plus still specifies page and per-folder limits.
Can I ask in Chinese about an English report?
The product supports multilingual questions; verify technical terms against the original.
The details behind your decision
Explore platforms, inputs and outputs, licensing, and access requirements.
Platforms, inputs and licensing
Platforms, inputs and licensing
- Platforms
- Web browser on desktop, tablet and mobile; desktop app available
- Inputs → outputs
- PDF, Word, PowerPoint, Markdown and text → answers with document references
ChatPDF is a proprietary cloud service. It also presents study and writing tools, but its document workflow should be evaluated on readable input, accurate extraction and usable citations. A fluent explanation is not evidence that every chart, footnote or scanned page was interpreted correctly.
Data and workspace controls
Data and workspace controls
Documents are private by default according to the product FAQ; creating a sharing link changes who can access the material. Upload only documents you are permitted to process, review any share link before distributing it, and remove files when they are no longer needed.
Sources, documentation and help
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