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Prepping PDFs for Claude & ChatGPT

Short, practical fixes for the everyday friction of working with PDFs and AI — trimming, citations, and file limits.

What to do when ChatGPT says your PDF is too long Why it happens, and how trimming to the pages you need fixes it. Why ChatGPT invents page numbers from your PDFs (and how to stop it) The one prompt that keeps AI citations honest and checkable. How to feed multiple PDFs to Claude or ChatGPT Getting several sources in without hitting the file or context limit.
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PDF Source Prep · a free, browser-only tool for prepping PDFs for Claude and ChatGPT.
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