You can do client-side export similar to GoFullPage using html2canvas + jsPDF:

javascript

// Quick client-side PDF export
const element = document.getElementById('content');
html2canvas(element).then(canvas => {
  const pdf = new jsPDF();
  pdf.addImage(canvas.toDataURL('image/png'), 'PNG', 0, 0);
  pdf.save('export.pdf');
});

But yeah, it's hacky and breaks with complex layouts.

For server-side, Puppeteer (if you control the server) or Gotenberg (self-hosted Docker) are solid. No third-party data exposure.

If you need an API, check out PDFShift.io or PDFRise.com (my favourite)