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HTML presentations, explained

More and more slide decks arrive as a single HTML file rather than a PowerPoint. Here's why — and what it means for making and editing them.

What is an HTML presentation?

It's a slide deck built with web technology (HTML and CSS) and saved as one .html file. Open it and it runs in your browser, full-screen, like any presentation. Because it's just a web page, it can do anything a web page can — custom typography, animation, live charts, interactivity — while still being a single file you can email.

Why they're getting popular

• Opens anywhere. Any device with a browser. Nothing to install, no app, no license.
• One portable file. Fonts and images can be embedded, so the whole deck travels as a single document.
• Design freedom. You're not boxed into template chrome — the layout is whatever the web can render.
• AI generates it well. Language models are fluent in HTML and CSS, so "make me a deck about X" increasingly returns a clean HTML file rather than a binary PowerPoint.

HTML decks vs PowerPoint

PowerPoint is unmatched for drag-and-drop authoring and is the default in most offices. HTML decks win on portability, opening speed, and creative range, and they're the natural output of AI tools. The historical downside was editing: PowerPoint has a rich editor; an HTML file just... opens. That's the gap this tool closes.

How do you edit one?

You don't need to touch code. edit-html.com opens an HTML deck and lets you edit text, move and resize elements, change chart data, reorder slides, recolor, present, and export a PDF — then save back the same single HTML file, entirely in your browser. See the step-by-step guide, or if your deck came from an AI tool, editing an AI-made deck.