Vanilla JavaScript · Zero Dependencies · Semantic HTML5 · Dark Mode Native

Distraction-Free Writing &
Clean Semantic HTML

Infinity Writer is an open-source writing tool dedicated strictly to generating clean, accessible, and production-ready HTML code with native, out-of-the-box dark mode support and zero runtime bloat.

View on GitHub Documentation
100% Semantic HTML5
Native Dark Mode Ready
0 KB Runtime Dependencies
infinity-writer.dev/editor
document.html • Semantic Export
W3C Valid
<!-- Clean Semantic Output with Theme Tokens -->
<article class="prose-content" data-theme="auto">
  <header>
    <h1>The Future of Web Typography</h1>
    <time datetime="2026-08-17">August 17, 2026</time>
  </header>
  <p>Pristine, accessible markup generated seamlessly.</p>
</article>
ARIA Compliant
Screen-reader optimized structure
CSS Variables
Automatic dark/light color tokens

Core Philosophy

Built for Clean Code Purists

No redundant inline styles. No framework baggage. Just standards-compliant HTML ready to drop into any project.

Semantic HTML Generation

Produces standard-compliant HTML5 tags (article, section, figure, blockquote) that respect web accessibility standards and semantic web hierarchy.

Native Dark Mode Ready

Exported documents include self-contained CSS custom properties responding instantly to prefers-color-scheme with zero visual flicker or layout shifts.

Zero External Dependencies

Built with pure Vanilla JavaScript and HTML5. No heavyweight frameworks, bundling steps, or external runtime requirements.

Accessible ARIA Architecture

Automated landmark labeling, heading level verification, and screen-reader friendly formatting designed for WCAG 2.1 compliance.

Curated Typographic Scale

Harmonious line heights, letter-spacing tokens, and responsive fluid type scales crafted for reading clarity across all screen sizes.

Multi-Format Export

One-click export to full standalone HTML5 documents, clean HTML embed snippets, Markdown files, or printable PDFs.

Code Quality

The Clean Markup Standard

Compare Infinity Writer's clean semantic output against typical messy WYSIWYG exports.

No Junk Spans. No Inline CSS Clutter.

Most visual editors output dozens of nested <span style="..."> tags and messy proprietary attributes. Infinity Writer adheres strictly to semantic conventions, emitting clean, reusable code.

  • Standards-compliant HTML5 tags throughout
  • CSS variable color themes embedded cleanly in <style>
  • Optimized for static blogs, documentation, and web apps
  • Drop-in compatibility with static site generators
Production-Ready Template Zero Bloat
<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8" />
  <meta name="color-scheme" content="light dark" />
  <title>Article Title</title>
</head>
<body>
  <main>...content...</main>
</body>
</html>

Flexible Formats

Export Templates

Select the ideal export template for your publishing and distribution needs.

Standalone .html

Full HTML5 Document

Complete document with head metadata, responsive viewport, typography tokens, and automatic dark/light theme switching.

View Format Specs
Fragment HTML Snippet

Clean Content Fragment

Raw semantic markup without wrapper boilerplate, optimized for inserting into React, Vue, Next.js, or static CMS blogs.

View Format Specs
Dark Theme CSS Tokens

Dark-Mode Boilerplate

Production-ready template styled with HSL color variables and seamless CSS transition animations.

View Format Specs

Quick Start & Usage

Clone the repository and run Infinity Writer locally with zero installation dependencies:

git clone https://github.com/dev-hints/Infinity-Writer.git
cd Infinity-Writer
# Open index.html directly in any web browser
open index.html