You still need to swap in a real URL where the file lives online — Showit's embed box can't host the file itself, only point to it. Fastest free way to get that URL: Go to app.netlify.com/drop Drag Wedding Budget Calculator - Standalone.html into the browser window Netlify instantly gives you a live URL (e.g. https://something.netlify.app/Wedding-Budget-Calculator-Standalone.html) Paste that URL into the iframe code above, replacing YOUR_HOSTED_FILE_URL_HERE Then paste the finished snippet into Showit's Custom Code box, save, and publish. Want me to prep anything else while you do that? Tip: ShiftEnter inserts a new line. Wedding Budget Calculator 2 pages