PDF Processing Guide
Overview
This guide covers essential PDF processing operations using Python libraries and command-line tools. For advanced features, JavaScript libraries, and detailed examples, see REFERENCE.md. If you need to fill out a PDF form, read FORMS.md and follow its instructions.
CRITICAL: Smart PDF Reading — Avoid Context Overflow
Claude's Read tool converts each PDF page into an image. The API has a hard limit of 100 images per conversation. A 90+ page PDF will fail outright, and even smaller PDFs can consume enormous context budget (each page-image costs far more tokens than equivalent plain text).
This is the #1 cause of failures when processing PDFs. Always think before you read.
Step 0: Probe First, Read Later
For any PDF the user uploads or asks you to read, run the probe script first to understand what you're dealing with:
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