Convert ORG to HTML

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ORG vs HTML Format Comparison

Aspect ORG (Source Format) HTML (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
HTML
HyperText Markup Language

The standard markup language for web pages, created by Tim Berners-Lee in 1991. HTML provides the structure for web content, works in all browsers, and is the foundation of the World Wide Web. Current version HTML5 supports multimedia, forms, and semantic elements.

Web Standard Universal Browser Support
Technical Specifications
Structure: Hierarchical outline with * headers
Encoding: UTF-8
Format: Plain text with markup
Processor: Emacs Org-mode, Pandoc
Extensions: .org
Structure: Nested tags in tree structure
Encoding: UTF-8 (recommended)
Format: SGML-derived markup
Renderer: All web browsers
Extensions: .html, .htm
Syntax Examples

Org-mode syntax:

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

* Introduction

This is *bold* and /italic/.

** Subsection

- List item 1
- List item 2

#+BEGIN_SRC python
print("Hello")
#+END_SRC

HTML output:

<!DOCTYPE html>
<html>
<head>
  <title>My Document</title>
  <meta name="author" content="John Doe">
</head>
<body>
  <h1>Introduction</h1>
  <p>This is <strong>bold</strong>
     and <em>italic</em>.</p>
  <h2>Subsection</h2>
  <ul>
    <li>List item 1</li>
    <li>List item 2</li>
  </ul>
  <pre><code>print("Hello")</code></pre>
</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
  • Semantic headings (h1-h6)
  • Rich text formatting
  • Images and multimedia
  • Hyperlinks (internal and external)
  • Tables with styling
  • Forms and user input
  • CSS styling integration
  • JavaScript interactivity
  • SVG and Canvas graphics
  • Accessibility (ARIA)
Advantages
  • Powerful task management
  • Literate programming support
  • Code execution (40+ languages)
  • Spreadsheet-like tables
  • Agenda and scheduling
  • Deep Emacs integration
  • Extensive customization
  • Universal browser support
  • No software installation needed
  • Full styling with CSS
  • Interactive with JavaScript
  • SEO friendly
  • Responsive design possible
  • Accessible to all users
  • Web hosting ready
Disadvantages
  • Requires Emacs for full features
  • Steep learning curve
  • Limited outside Emacs ecosystem
  • Complex syntax for advanced features
  • Less portable than other formats
  • Verbose syntax
  • Requires CSS for styling
  • Not easily editable by hand
  • Browser rendering differences
  • Not ideal for printing
Common Uses
  • Personal knowledge management
  • Task and project management
  • Literate programming
  • Research notes
  • Journaling and logging
  • Agenda and scheduling
  • Websites and web applications
  • Online documentation
  • Blog posts and articles
  • Email newsletters
  • Landing pages
  • Technical documentation sites
Best For
  • Emacs users
  • Task management
  • Literate programming
  • Personal notes
  • Web publishing
  • Online sharing
  • Documentation sites
  • Browser-based viewing
Version History
Introduced: 2003 (Carsten Dominik)
Current Version: 9.6+ (2024)
Status: Active development
Primary Tool: GNU Emacs
Introduced: 1991 (Tim Berners-Lee)
Current Version: HTML5 Living Standard
Status: WHATWG maintained
Governance: W3C and WHATWG
Software Support
Emacs: Native support (Org-mode)
Vim/Neovim: org.nvim, vim-orgmode
VS Code: Org Mode extension
Other: Logseq, Obsidian (plugins)
Browsers: Chrome, Firefox, Safari, Edge
Editors: VS Code, Sublime, Vim, etc.
IDEs: All major IDEs
Validators: W3C Validator, HTML-Validate

Why Convert ORG to HTML?

Converting Org-mode documents to HTML makes your content accessible to anyone with a web browser. This is the most common export format for sharing Org-mode content with people who don't use Emacs, publishing documentation online, or creating websites from your notes.

HTML is the universal format of the web. By converting your Org-mode files to HTML, you can publish them on any web server, share them via email, or host them on platforms like GitHub Pages. The content is viewable on any device without special software.

For documentation projects, HTML export is essential. You can create entire documentation sites from Org-mode files, complete with navigation, cross-references, and styled code blocks. Tools like Hugo and Jekyll can incorporate Org-mode files into static site generators.

The conversion preserves your document structure, converting Org headings to HTML headings (h1-h6), lists to proper HTML lists, and code blocks to formatted pre/code elements. With CSS, you can style the output to match any design.

Key Benefits of Converting ORG to HTML:

  • Universal Access: View in any web browser, no special software needed
  • Web Publishing: Host on any website or documentation platform
  • Styling Freedom: Apply any CSS design to your content
  • SEO Friendly: Search engines can index your content
  • Responsive: Works on desktop, tablet, and mobile
  • Shareable: Easy to share via links or email
  • Portable: Self-contained files with embedded content

Practical Examples

Example 1: Documentation Page

Input ORG file (docs.org):

#+TITLE: API Documentation
#+AUTHOR: Dev Team

* Getting Started

** Installation

Install the package:

#+BEGIN_SRC bash
npm install my-package
#+END_SRC

** Configuration

Set up your config file:

| Option    | Default | Description       |
|-----------+---------+-------------------|
| debug     | false   | Enable debugging  |
| timeout   | 30      | Request timeout   |

Output HTML:

<h1>Getting Started</h1>
<h2>Installation</h2>
<p>Install the package:</p>
<pre><code class="language-bash">
npm install my-package
</code></pre>
<h2>Configuration</h2>
<p>Set up your config file:</p>
<table>
  <tr><th>Option</th><th>Default</th><th>Description</th></tr>
  <tr><td>debug</td><td>false</td><td>Enable debugging</td></tr>
  <tr><td>timeout</td><td>30</td><td>Request timeout</td></tr>
</table>

Example 2: Blog Post

Input ORG file (post.org):

#+TITLE: 10 Tips for Better Productivity
#+DATE: 2024-01-15
#+AUTHOR: Jane Smith

* Introduction

In this post, I'll share *10 proven tips* for
improving your daily productivity.

* Tip 1: Start with the Hardest Task

Tackle your most challenging task first thing
in the morning when your energy is highest.

[[https://example.com/research][Research shows]] that
willpower depletes throughout the day.

Output HTML ready for blog:

<article>
  <header>
    <h1>10 Tips for Better Productivity</h1>
    <meta name="date" content="2024-01-15">
    <meta name="author" content="Jane Smith">
  </header>
  <section>
    <h2>Introduction</h2>
    <p>In this post, I'll share <strong>10 proven tips</strong>
    for improving your daily productivity.</p>
  </section>
  <section>
    <h2>Tip 1: Start with the Hardest Task</h2>
    <p>Tackle your most challenging task first...</p>
    <p><a href="https://example.com/research">Research shows</a>
    that willpower depletes...</p>
  </section>
</article>

Example 3: Technical Tutorial

Input ORG file (tutorial.org):

#+TITLE: Python Quick Start

* Hello World

Create a file called ~hello.py~:

#+BEGIN_SRC python
print("Hello, World!")
#+END_SRC

Run it with:

#+BEGIN_SRC bash
python hello.py
#+END_SRC

#+BEGIN_QUOTE
Python is a great first language because
of its readable syntax.
#+END_QUOTE

Output HTML with code highlighting ready:

<h1>Hello World</h1>
<p>Create a file called <code>hello.py</code>:</p>
<pre><code class="language-python">
print("Hello, World!")
</code></pre>
<p>Run it with:</p>
<pre><code class="language-bash">
python hello.py
</code></pre>
<blockquote>
  <p>Python is a great first language because
  of its readable syntax.</p>
</blockquote>

Frequently Asked Questions (FAQ)

Q: Is the HTML output self-contained?

A: By default, the HTML includes inline styles for basic formatting. Images are referenced by path, not embedded. For fully self-contained HTML with embedded images, additional processing may be needed or you can use data URIs for images.

Q: Can I customize the HTML styling?

A: Yes! The output HTML uses semantic elements (h1, h2, p, etc.) that you can style with any CSS. You can add your own stylesheet to completely change the appearance. The HTML structure remains clean and accessible.

Q: What happens to code blocks?

A: Code blocks are converted to <pre><code> elements with language classes (e.g., language-python). Add a syntax highlighting library like Prism.js or Highlight.js to your page for colored code display.

Q: Are internal links preserved?

A: Yes, internal Org links to headings are converted to HTML anchor links. Cross-references between sections work correctly in the exported HTML, allowing readers to navigate your document.

Q: Can I use this with static site generators?

A: Absolutely. The HTML output can be incorporated into Jekyll, Hugo, Gatsby, or any static site generator. Some generators (like Hugo) have native Org-mode support, but converted HTML works universally.

Q: What about LaTeX math formulas?

A: Math formulas are preserved and can be rendered with MathJax or KaTeX. Add the appropriate JavaScript library to your HTML page, and the formulas will display correctly in browsers.

Q: Is the HTML accessible?

A: Yes, the conversion produces semantic HTML with proper heading hierarchy, lists, and structure. This provides a good foundation for accessibility. Add alt text to images in your Org source for complete accessibility.

Q: Can I edit the HTML output?

A: Yes, the HTML is standard and can be edited with any text editor or HTML editor. However, if you need to make changes, it's often easier to edit the source ORG file and re-export, especially for large documents.