PDF lightbox shows blank or downloads instead
PDFs open as an empty lightbox or download instead of displaying after the PDF.js viewer is selected.
Tier I · Proven The best-established problems.
5 public reports · first reported 5 July 2024 · last reported 8 September 2025
What's going wrong
Many site owners say PDFs stop displaying inside this lightbox after an update or on a new host.
AI-assisted: written with the help of AI from the reports. The idea report has the full summary.
In the idea report
- The full summary.
- The products the 5 reports are about, and how many came each month.
- Related problems.
No business has been found with this problem yet, so the report has no contacts. All sales are final — no refunds. Pricing.