4/27/2023 0 Comments Pdf toolkit mac gratuit![]() The courses can last from a few days to weeks and you need to make sure that all the training materials cannot be easily printed, copied and distributed to other people that have not signed up to your course. Scenario #1: Imagine you are an online training provider and your online courses require that you distribute training materials to your students as PDF files. ![]() For more information, please refer to this article. This however requires the end user to use our special PDF readers for Windows, iOS/iPadOS or on the web using Google Chrome web browser. If you require an expiration date on a PDF that uses strong encryption and cannot be easily bypassed then we recommend using the DRM method. ![]() To be clear from the offset, putting an expiry date on a PDF document using the JavaScript method should not be considered a security feature as it can be easily bypassed and not all PDF readers support the feature (for example, Google Chrome and Microsoft Edge have only recently added support for JavaScript in PDF files). There are two methods of setting PDF expiration in All-About-PDF by using JavaScript or by using our proprietary DRM technology. This is a really handy feature if you are sending out documents that contain time-sensitive offers or intellectual property such as training/course materials. Whats not so common is how to set a PDF document to expire so that it cannot be opened after a certain date has passed. It is common knowledge that PDF documents are so versatile that you can control user permissions such as restricting the ability to print, copy or modify the document. How to Add An Expiry Date to Any PDF Document
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