How to convert HTML/CSS to a WordPress theme the simplest way

Have your HTML file (or a live URL) ready and a WordPress site to install onto — any host works. The whole flow takes 10–30 minutes.

What this does (read this first). HTMLtoWP turns your HTML/CSS design into a real WordPress theme — header.php, footer.php, functions.php, the full template hierarchy, enqueued assets. After install, you add your real pages, posts, and menus through the WordPress admin like with any theme. The conversion is the design step; the content is yours to fill in.

1

Point HTMLtoWP at your HTML

Open HTMLtoWP and pick the input that matches what you have:

  • Upload the .html file directly (max 5MB; CSS, images, and fonts are auto-resolved)
  • Paste a URL of any live page — every linked asset is fetched automatically
  • Paste raw HTML for quick conversions of code from your editor

If your HTML lives in a local folder, make sure CSS, images, and fonts are linked with relative paths (./css/style.css) before uploading.

2

Let the conversion run

The engine analyzes your DOM, identifies header / nav / main / sidebar / footer regions, downloads assets, and generates the full WordPress theme — usually within a minute. Every WordPress template is created automatically: Homepage, Single Post, Page, Archive, Search, 404.

3

Check the live preview

You land on a side-by-side view of your generated WordPress theme rendered exactly as it will appear on a real install. Use the page-template dropdown to flip between every template.

If any assets failed to download (private CDN, CORS-blocked file, broken link), they're flagged below the preview — drag-drop them in to complete the design.

4

Refine in plain English (optional)

The chat panel customizes the WordPress theme without code. Common refinements people ship in under 5 minutes:

  • "Make the header sticky on scroll"
  • "Convert the footer to 3 columns with widget areas"
  • "Add a sidebar with a search widget on single posts"
  • "Change menu hover color to #8b5cf6 with a 0.2s transition"

Each instruction modifies the relevant theme files (PHP templates, CSS, functions.php) and re-renders the preview live.

5

Download and install on WordPress

Click Download. You get one theme-name.zip with a complete WordPress theme inside:

/* Your theme structure */ style.css // theme metadata + base styles functions.php // enqueues, registers menus + sidebars header.php footer.php index.php page.php / single.php / search.php / 404.php sidebar.php assets/ // images, css, fonts, js

In WP admin: Appearance → Themes → Add New → Upload Theme → pick the .zip → Install Now → Activate. Your design is now a live WordPress theme. Add Pages, Posts, and Menus through WP admin.

That's the entire flow. The only step left is uploading your HTML.

Ready to convert your HTML to a WordPress theme?

Upload your HTML, watch the conversion run, refine via chat, install on WordPress — in minutes.

Try HTMLtoWP →