Compare · Knowledge & Research

Book to Skill vs Defuddle

Two knowledge & research skills. Which one fits your job? Side-by-side below.

The short version

Book to Skill

By Virgilio Jr

Turn a book or document into a reusable playbook your AI assistant can apply.

Defuddle

By Steph Ango (Kepano / Obsidian)

Turn messy web pages into clean notes — no ads, no clutter, just the content you need.

What each one does

Book to Skill

  • Reads PDF, EPUB, Word, HTML, Markdown, plain text, and other document formats
  • Extracts named frameworks, mental models, principles, and anti-patterns in the author's own terms
  • Creates chapter-by-chapter notes plus a glossary, patterns guide, and cheat sheet
  • Offers an analyze-only mode so you can review findings before anything is generated
  • Updates an existing book skill when you add new chapters or sources

Defuddle

  • Removes ads, navigation, and clutter from any web page
  • Extracts clean article text in a note-friendly format
  • Pulls out key metadata like title, description, and domain
  • Saves cleaned content to files for later reference

When to pick each one

Reach for Book to Skill when…

  • You want your AI assistant to apply a book's frameworks while you work
  • You're building a reusable knowledge base from a stack of documents or reports
  • You need quick lookups of key concepts from a long book without rereading it

Reach for Defuddle when…

  • You're researching a topic and need to save articles without all the junk
  • You want to capture blog posts or docs for your notes or knowledge base
  • You're analyzing content from multiple sources and need clean text to work with

Quick facts

Book to SkillDefuddle
Made byVirgilio JrSteph Ango (Kepano / Obsidian)
CategoryKnowledge & ResearchKnowledge & Research
SourceView ↗View ↗
Detail pageOpenOpen