Convert ORG to AZW3

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ORG vs AZW3 Format Comparison

Aspect ORG (Source Format) AZW3 (Target Format)
Format Overview
ORG
Emacs Org-mode

Plain text markup format created for Emacs in 2003. Designed for note-taking, task management, project planning, and literate programming. Features hierarchical structure with collapsible sections, TODO states, scheduling, and code execution.

Emacs Native Literate Programming
AZW3
Amazon Kindle Format 8 (KF8)

Amazon's proprietary eBook format introduced in 2011. Based on HTML5/CSS3, it replaced the older MOBI format. AZW3 provides enhanced formatting, better typography, and advanced layout options for Kindle devices and apps.

Kindle Native DRM Support
Technical Specifications
Structure: Hierarchical outline with * headers
Encoding: UTF-8
Format: Plain text with markup
Processor: Emacs Org-mode, Pandoc
Extensions: .org
Structure: Container with HTML5/CSS3
Encoding: UTF-8
Format: Proprietary eBook (Kindle Format 8)
Processor: Kindle, Calibre, KindleGen
Extensions: .azw3, .kf8
Syntax Examples

Org-mode syntax:

#+TITLE: My eBook
#+AUTHOR: John Doe

* Chapter One
** Section 1.1

This is *bold* and /italic/.

#+BEGIN_QUOTE
A meaningful quote.
#+END_QUOTE

- List item 1
- List item 2

AZW3 internal structure (HTML5):

<!-- Kindle Format 8 -->
<html>
<head>
  <title>My eBook</title>
</head>
<body>
  <h1>Chapter One</h1>
  <h2>Section 1.1</h2>
  <p><b>bold</b> and <i>italic</i></p>
  <blockquote>A quote</blockquote>
</body>
</html>
Content Support
  • Hierarchical headers with * levels
  • TODO states and task management
  • Scheduling and deadlines
  • Tags and properties
  • Tables with spreadsheet formulas
  • Literate programming (Babel)
  • Code blocks with execution
  • Links and cross-references
  • LaTeX math support
  • Rich text formatting (HTML5/CSS3)
  • Embedded fonts and typography
  • Table of contents (NCX/Nav)
  • Images and graphics
  • Footnotes and endnotes
  • Text-to-speech support
  • X-Ray and Word Wise features
  • Hyphenation and justification
  • Page Flip and reading progress
Advantages
  • Powerful task management
  • Literate programming support
  • Code execution (40+ languages)
  • Spreadsheet-like tables
  • Agenda and scheduling
  • Deep Emacs integration
  • Extensive customization
  • Native Kindle device support
  • Advanced typography features
  • Smaller file sizes than MOBI
  • HTML5/CSS3 styling
  • DRM protection available
  • Synchronized reading progress
  • Whispersync integration
  • X-Ray character insights
Disadvantages
  • Requires Emacs for full features
  • Steep learning curve
  • Limited outside Emacs ecosystem
  • Complex syntax for advanced features
  • Less portable than other formats
  • Proprietary Amazon format
  • Limited to Kindle ecosystem
  • Not compatible with other readers
  • Cannot edit directly
  • Requires conversion for non-Kindle
Common Uses
  • Personal knowledge management
  • Task and project management
  • Literate programming
  • Research notes
  • Journaling and logging
  • Agenda and scheduling
  • Kindle eBook publishing
  • Self-publishing on Amazon
  • Personal document library
  • Send-to-Kindle documents
  • Offline reading on Kindle
  • E-reader optimized content
Best For
  • Emacs users
  • Task management
  • Literate programming
  • Personal notes
  • Kindle device owners
  • Amazon ecosystem users
  • eBook publishers
  • Portable reading
Version History
Introduced: 2003 (Carsten Dominik)
Current Version: 9.6+ (2024)
Status: Active development
Primary Tool: GNU Emacs
Introduced: 2011 (Amazon)
Based On: Kindle Format 8 (KF8)
Status: Active, primary Kindle format
Primary Tool: Kindle, Calibre
Software Support
Emacs: Native support (Org-mode)
Vim/Neovim: org.nvim, vim-orgmode
VS Code: Org Mode extension
Other: Logseq, Obsidian (plugins)
Amazon Kindle: Native support (all devices)
Kindle Apps: iOS, Android, PC, Mac
Calibre: Full read/write support
Other: Limited third-party support

Why Convert ORG to AZW3?

Converting Org-mode documents to AZW3 format transforms your notes, documentation, and written content into Kindle-readable eBooks. This is ideal for Emacs users who want to read their Org-mode documents comfortably on Kindle devices or share them with Kindle users.

AZW3 (Kindle Format 8) provides an excellent reading experience with advanced typography, adjustable fonts, and seamless integration with Kindle's features like X-Ray, Word Wise, and synchronized reading progress across devices. Your Org-mode documents become portable, readable anywhere.

The conversion is particularly valuable for self-publishers who write in Org-mode. Convert your manuscripts, technical guides, or personal journals to AZW3 for distribution on Amazon's Kindle Direct Publishing platform or for personal reading on your Kindle library.

For researchers and students, converting Org-mode notes to AZW3 allows offline reading on e-ink devices, which are easier on the eyes for extended reading sessions. The battery life and glare-free screens of Kindle devices make them perfect for reviewing lengthy documentation.

Key Benefits of Converting ORG to AZW3:

  • Kindle Native: Read on any Kindle device or app
  • Enhanced Typography: Professional fonts and formatting
  • Portable Reading: Take your notes anywhere offline
  • E-ink Optimized: Easy on eyes for long reading sessions
  • Whispersync: Sync reading progress across devices
  • Self-Publishing: Ready for Amazon Kindle Direct Publishing
  • Send-to-Kindle: Easily send to your Kindle library

Practical Examples

Example 1: Book Chapter Structure

Input ORG file (chapter.org):

#+TITLE: The Art of Programming
#+AUTHOR: Jane Developer

* Chapter 1: Introduction

Welcome to the world of programming.
This book will guide you through the fundamentals.

** Why Learn to Code?

Programming is a *powerful skill* that opens doors
to countless opportunities.

** Getting Started

Before we begin, let's set up your environment.

Result: AZW3 eBook

The converted AZW3 file includes a properly formatted table of contents, chapter navigation, and Kindle-optimized layout. Headers become navigable chapters, and text formatting is preserved for comfortable reading on e-ink displays.

Example 2: Technical Documentation

Input ORG file (guide.org):

#+TITLE: Python Quick Reference
#+AUTHOR: Dev Team

* Variables and Types

Python supports multiple data types:

- /Integers/: ~42~, ~-17~
- /Floats/: ~3.14~, ~2.0~
- /Strings/: ~"Hello"~

#+BEGIN_SRC python
name = "Python"
version = 3.12
#+END_SRC

Result: AZW3 eBook

Code blocks are formatted with monospace fonts for readability. Lists render properly, and the document structure creates a navigable reference guide perfect for offline reading while coding.

Example 3: Personal Journal

Input ORG file (journal.org):

#+TITLE: 2024 Travel Journal
#+AUTHOR: Travel Enthusiast

* January - Tokyo

** Day 1: Arrival

Arrived at Narita Airport. The journey begins!

#+BEGIN_QUOTE
"The journey of a thousand miles begins with a single step."
-- Lao Tzu
#+END_QUOTE

** Day 2: Shibuya

Visited the famous crossing. Incredible energy!

Result: AZW3 eBook

Personal journals become beautiful eBooks with proper chapter organization. Quote blocks are styled appropriately, and the entire journal becomes a keepsake you can read on your Kindle anytime.

Frequently Asked Questions (FAQ)

Q: What is AZW3 format?

A: AZW3, also known as Kindle Format 8 (KF8), is Amazon's modern eBook format introduced in 2011. It's based on HTML5 and CSS3, offering better formatting and typography than the older MOBI format. AZW3 is the primary format for Kindle devices and apps.

Q: Can I read AZW3 files on non-Kindle devices?

A: AZW3 is primarily designed for Amazon's Kindle ecosystem. You can read AZW3 files on Kindle devices, Kindle apps (iOS, Android, PC, Mac), and with Calibre. For other e-readers, you may need to convert to EPUB format.

Q: Will my Org-mode TODO items appear in the eBook?

A: TODO states and scheduling metadata are not meaningful in eBook format. They will be converted to regular text or omitted. If you want task lists to appear, they'll show as plain text items rather than interactive checkboxes.

Q: Are images in my Org file included in the AZW3?

A: Yes, linked images in your Org-mode document are embedded in the AZW3 file. They're optimized for e-reader displays. However, very large images may be resized to fit Kindle screen constraints.

Q: How do I send the AZW3 to my Kindle?

A: You can email the AZW3 file to your Kindle's email address (found in Kindle settings), use Amazon's Send to Kindle app, connect via USB and copy to the documents folder, or use Calibre to transfer books wirelessly.

Q: Will code blocks be readable on Kindle?

A: Yes, code blocks are formatted with monospace fonts. However, e-ink displays have limited screen width, so very long lines may wrap. For best results, keep code lines under 60 characters when possible.

Q: Can I publish the converted AZW3 on Amazon?

A: The converted file can be used as a starting point for Kindle Direct Publishing. However, for professional publishing, you may want to refine the formatting, add a cover image, and review Amazon's publishing guidelines.

Q: What about Org-mode tables?

A: Tables are converted to HTML tables within the AZW3. Simple tables display well, but complex tables with many columns may need horizontal scrolling on smaller Kindle screens. Spreadsheet formulas are converted to static values.