PDF questions, grounded answers

Chat with PDFs without losing the source.

Ask natural-language questions, follow the citations back to the page, and keep the conversation beside the document you are reading.

Why Collate

A PDF chat built for close reading.

Ask naturally

Use follow-up questions to explore an argument, definition, or detail without searching page by page.

Check the source

Citation links take you back to the relevant passage so you can verify important answers.

Choose your privacy mode

Use Local AI on your Mac, or explicitly select a BYOK cloud provider when you want it.

Stay oriented

The answer and the PDF stay together.

Collate is a reader first. Your question, answer, citation, and source page remain part of one reading workflow.

  • Open citations beside the answer
  • Keep document-specific conversation history
  • Highlight passages worth returning to

Follow the thread

Move from a quick question to real understanding.

Ask for clarification, compare sections, or turn a dense passage into a simpler explanation while keeping the original nearby.

  • Ask follow-up questions in context
  • Save useful answers and highlights
  • Export or share only what you choose

Start with one PDF

Read with less friction.

Get Collate for Mac and choose Local AI when your documents need to stay on your device.

Get Collate for Mac