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Is it possible to have a custom domain name for downloading .pdf files in Webflow?

TL;DR
  • Webflow-hosted PDFs are served from a CDN and not directly from your custom domain.
  • To create custom domain links, use redirect pages or host PDFs externally (e.g., S3, Firebase) with a mapped subdomain like files.yourdomain.com.

Yes, you can serve downloadable .pdf files in Webflow using your custom domain, but there are limitations based on how Webflow handles file hosting.

1. Hosting PDFs in Webflow

  • When you upload a PDF to the Webflow Assets panel, Webflow hosts the file on their CDN (usually with a webflow.com or global-uploads.webflow.com URL).
  • Even if your site uses a custom domain, the direct file URL still points to the Webflow CDN domain, not your custom domain.

2. Using Custom Domain for PDFs via Page Redirect

  • Webflow does not natively support file downloads hosted at your custom domain URL, but you can work around this.
  • Create a Webflow page on your custom domain, such as /download-brochure, and place a download link or auto-redirect script to the actual PDF URL.
  • This means users visit a custom domain page that routes them to the PDF, though the final download link will still show the CDN domain.

3. Alternative: Use Third-Party Hosting with Your Domain

  • Host your PDFs through an external server or CDN that allows custom domain mapping, such as:
  • Amazon S3 + CloudFront
  • Google Cloud Storage + Cloud CDN
  • Firebase Hosting
  • Point a subdomain like files.yourdomain.com to the external service and upload PDF files there.
  • Then, serve files with clean URLs like https://files.yourdomain.com/downloads/example.pdf.

4. Limitations

  • Webflow does not allow custom domain mapping for file asset URLs directly.
  • Asset URLs will always be routed through Webflow's global-uploads CDN, even if your website uses a custom domain.

Summary

While Webflow does not let you serve PDFs directly from your custom domain, you can use a custom page as a redirect or host the PDFs externally on a service that allows custom domain files delivery. This ensures a more branded experience when sharing file download links.

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