How to Chat with a PDF and Ask Questions
Ask questions about a document and get cited answers.
Chat with PDF lets you ask plain-English questions about a document and get answers grounded in its content.
ChangeMyPDF runs entirely in your browser — your files never leave your device, there's nothing to install, and you can start without an account. Here's exactly how to do it.
Step-by-step
- Open the Chat with PDF tool and add your file.
- Wait for it to read the document.
- Type a question about the content.
- Read the answer with references.
Tips for the best result
- Ask specific questions for sharper answers.
- Great for contracts, manuals, and research.
Is it safe and free?
Yes. Most ChangeMyPDF tools process files locally in your browser, so documents are never uploaded to a server. Free accounts can run a few operations per hour; a Week Pass or Premium plan removes the limit and ads if you need to do more.
Frequently asked questions
Do my files get uploaded to a server?
For most tools, no — the work happens in your browser, so your documents stay on your device.
Is it really free?
Yes. Free users get a few runs per hour. For unlimited use and no ads, grab a $5 Week Pass or a Premium plan.
Which browsers are supported?
Any modern browser — Chrome, Edge, Firefox, and Safari on desktop and mobile.