This editor needs a local server

Opening index.html by double-click (file://) blocks the JavaScript modules, so the app looks blank or broken.

From this folder, run:

npm start

Or: npx --yes serve . — then open the URL it prints (usually http://localhost:3000). Exported presentations are still a single offline HTML file and do not need a server.

Presentation Builder free · by toddboswell.com
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Make a click-through presentation in minutes

Pick a starting point. Add screenshots and hotspots anytime — everything stays in your browser.

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