The HTML presentation framework | reveal.js | WarmIndex

reveal.js is an open-source HTML presentation framework that enables anyone with a web browser to create fully-featured, beautiful, and interactive slide decks using standard web technologies.

🚀 Overview

reveal.js is a powerful, flexible framework for building presentations entirely with HTML, CSS, and JavaScript. It turns any modern web browser into a presentation powerhouse, supporting everything from simple slides to complex, interactive experiences with nested content, animations, and embeds.

This project solves the limitations of proprietary tools like PowerPoint or Keynote, which lock users into closed ecosystems, restrict creativity, and require paid software. With reveal.js, presentations are free, portable, version-controlled, and infinitely customizable using open web standards—no installations needed.

It's built for web developers, educators, conference speakers, and anyone who wants professional-grade presentations without barriers. Hakim El Hattab created it in 2011 to demonstrate the potential of HTML5 for storytelling and has since grown it into a beloved tool used by millions.

✨ Key Features

Nested slides (horizontal and vertical) for multi-dimensional storytelling and why it matters for complex topics
Markdown support for quick authoring without HTML boilerplate
Auto-Animate for seamless transitions between slides with matching elements
PDF export to share printable versions easily
Speaker notes with a dedicated speaker view for private cues
LaTeX support for rendering mathematical equations
Syntax-highlighted code presentation powered by highlight.js
Optional: Extensive plugin ecosystem and JavaScript API for custom extensions

🛠 Tech Stack

Frontend: HTML, CSS/SCSS, JavaScript, TypeScript
Backend: N/A (fully client-side)
Database: N/A
Auth: N/A
Hosting: Self-hosted, Vercel, Netlify, GitHub Pages, CDN

👥 Who Is This For?

This project is useful for:

Developers who want to ___present code, demos, and interactive prototypes
Teams looking for ___subscription-free, customizable presentation tools
Indie makers building ___engaging decks for pitches, tutorials, or portfolios

📸 Screenshots / Demo

Live demo: https://revealjs.com/demo
GitHub: https://github.com/hakimel/reveal.js

🔥 Project Status

🟢 Actively building

Last updated: 2026-03-19

❓ FAQ

Is this project free?

Yes / Freemium / Paid / Open Source Open Source under MIT License. Completely free to use, modify, and distribute.

Is the source code available?

Yes — https://github.com/hakimel/reveal.js

Can I contribute?

Yes, the project welcomes contributions from the community. Check the CONTRIBUTING.md guide, report issues, submit pull requests on GitHub, or provide feedback via discussions. Over 325 contributors so far!