From the Knowledge Base

PDF Thumbnails Premium Release Notes

= 1.4.3 = Bug fixing of thumbnail generation at the time of uploading the PDF Added the WordPress 5.6 compatibility = 1.4.2 = Updated to use the latest rendering library pdf.js. Fixes some 'strange character' issues amongst other improvements. No

PDF Embedder Release Notes

Please see for the release notes on the free version of the plugin.

PDF Embedder Secure Release Notes

= 4.4.5 = Added support for Italian language Added compatibility for WordPress 5.7 = 4.4.4 = Bug fixing for deny direct file access for different apache versions Added compatibility for WordPress 5.5.3 = 4.4.3 = Added compatibility for windows server

PDF Embedder Premium Release Notes

= 4.4.3 = Wrong extract folder name fix added = 4.4.2 = Added support for Italian language Added compatibility for WordPress 5.7 = 4.4.1 = Fix language compatibility issue in viewer Fixes JS and CSS files cache issue Added compatibility

Can I get a formal invoice?

If you require a formal invoice for accounting purposes, please send us an email to with the following information: Invoice # (located on the emailed purchase receipt) Buyer name Company name Billing address VAT / Tax number, if applicable

Where can I find the Terms of Service

Please see

In the Premium version there is nowhere to enter the license key

In Settings -> PDF Embedder within your WordPress site, there should be a License tab, and there you can enter the license key you received in your purchase email. If there is no License tab, then you are almost certainly

If I buy a license, can I use the product forever?

Yes, the license allows you to use the product indefinitely on your WordPress site. The fee also entitles you to support and updates for 12 months from the date of purchase. After 12 months, you are free to continue to