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Why does WordPress does not create a thumbnail for my PDF file?

Since version 4.7 WordPress supports the creation and generation of thumbnails for your PDF files. If this does not work in your WordPress, it is probably due to a missing component on your server. We recommend that you take the following steps to generate PDF thumbnails correctly:

  • Login to your WordPress instance
  • Navigate to Plugins > Add new > Search for “PDF Thumbnails Support Test” or directly download and install from here: https://wordpress.org/plugins/pdf-thumbnails-support-test/
  • Navigate to Tools > PDF Thumbnails Support Test and check your missing components.

If you are missing a component, it can look like this:

If you have no technical knowledge, it is best to contact your technical contact person (e.g. your hoster)

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