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Analysis tool

AI PDF Analyzer: ask questions and get answers from your documents

Drop a PDF into chat and ask anything: summaries, quotes, risks or “explain page 12.” Chatday reads the file and answers in plain language.

Drop a PDF or click to upload Up to 10 files · 15 MB total per message
Try it free How it works
PDF upload Up to 10 files Private to you Free in Chatday All tools
3 steps

How Chat with PDF works

1

Open PDF chat

Launch the flow from Tools or chat with the PDF dropzone ready.

2

Upload your document

Attach one or more PDFs (Chat supports PDF plus images in the same conversation).

3

Ask & follow up

Keep questioning until you have summaries, citations or action items.

Capabilities

What you can do

Grounded answers

Responses draw on what is actually in your upload.

Natural Q&A

Ask like you would a colleague, no special syntax required.

Multiple attachments

Combine PDFs and images in one thread when you need cross-file context.

Strong vision models

Powered by fast multimodal models suited to document understanding.

Your files stay private

Documents belong to your account, not a public training set.

Upgrade for more

Pro unlocks premium models, deep research and advanced tools across Chatday.

At a glance

Specs & limits

PDF
Format
Up to 10 files
Chat attachments
15 MB total per message
Size limit
Images in the same chat
Also supports
Yes, start in chat
Included on Free
FAQ

Chat with PDF questions

Yes, sign up free with no credit card and start using this tool right away. Upgrade to Pro when you want premium models, advanced tools and more room to work.
Searchable PDFs work best. For heavy scans, try a clean export or OCR first, multimodal models still handle many image-based pages.
No. Your uploads stay in your private Chatday workspace.
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Chat with your first PDF free.

Open the PDF flow in Chatday and attach a file.

Open in Chatday Browse all tools