extract-book

Extract PDF book content into chapterized Markdown with metadata.

Updated Apr 21, 2026
One-click install
npx skills add https://github.com/NoiseMeldOrg/skills --skill extract-book
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: extract-book
Source: https://github.com/NoiseMeldOrg/skills/tree/main/skills/extract-book
Command: npx skills add https://github.com/NoiseMeldOrg/skills --skill extract-book

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires pdfplumber, pypdfium2, and includes scripts (resource) components.

What problem does it solve?

This skill converts PDFs of books into well-structured Markdown with chapters, metadata blocks, and cleaned text.

Core Features & Use Cases

  • Detects chapters using multiple strategies (text markers, single-number markers, named sections, and TOC-based detection) to produce reliable, multi-chapter outputs.
  • Builds a clean, navigable Markdown document with per-chapter sections, metadata blocks, and optional image-rendered placeholders for pages that cannot be OCRed.
  • Supports end-to-end processing from PDF extraction to Markdown assembly, with automatic metadata extraction (title, author, publisher, ISBN, copyright).

Quick Start

Convert a PDF book into structured Markdown with chapters, metadata, and clean text.

Frequently Asked Questions about extract-book

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I convert a PDF book into structured Markdown with chapters?

PDF book-to-Markdown conversion uses pdfplumber for text extraction and heuristic chapter detection to produce navigable, multi-chapter Markdown outputs. It automatically builds metadata blocks and cleaned text sections.

How does chapter detection work when extracting text from a PDF?

Chapter detection during PDF text extraction identifies structural boundaries using multiple strategies including text markers, single-number markers, named sections, and table of contents analysis. This multi-strategy approach ensures reliable multi-chapter Markdown outputs for long-form books.

Can I extract text from image-only PDF pages that cannot be OCRed?

Image-only PDF pages that cannot be OCRed are handled through an optional vision pass using pypdfium2 for image rendering. This creates image-rendered placeholders within the Markdown, ensuring an end-to-end extraction workflow.

Does pdfplumber support automatic metadata extraction for long-form books?

Automatic metadata extraction for long-form PDF books captures title, author, publisher, ISBN, and copyright information. This metadata is embedded directly into the structured Markdown output as clean metadata blocks alongside chapterized text content.

What is the best way to structure long-form manuals into searchable Markdown?

The best way to structure long-form manuals into searchable Markdown is applying heuristic chapter detection with pdfplumber text extraction. This produces clean, navigable documents with per-chapter sections and metadata blocks suitable for long-term reference.

Why does my PDF text extraction miss chapters in the Markdown output?

Missed chapters in PDF-to-Markdown extraction often occur when chapter markers rely on non-standard formatting. This skill mitigates that by combining multiple heuristic detection strategies—text markers, single-number markers, named sections, and TOC-based detection—for reliable boundary identification.