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Keyline: An AI Reading Assistant for Your PDFs and Docs

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Keyline is an AI reading assistant for your PDFs and Office documents. Upload a file and Keyline reads every page as an image, taking in the figures, diagrams, and tables along with the text. Ask a question and the answer comes back cited to the block it came from, with the page number and a cropped image of that block.

Keyline is built for the moments when you need an answer from inside a document, or from across a whole library of documents, faster than reading page by page.

New to Keyline? The Keyline product page covers what it is, how it compares to other tools, and how teams put it to work. This documentation covers how to use it day to day.

What Keyline can do

  • Read a single document deeply. Keyline understands page layout, figures, diagrams, and tables, so a question about a chart gets a real answer.
  • Answer with citations. Every claim comes back with its page number and a cropped image of the block behind it, so you can verify it in seconds.
  • Search across many files at once. A multi-file search index lets you ask a question once and get results pulled from every relevant document in your library.
  • Stay organized. Libraries and bundles keep your uploaded files grouped so you can find and reuse the right set later.

Where to go next