Locklizard Safeguard viewers prevent save and prevent save as using this approach since it is impossible to use code that is not there. The same goes with disable save PDF and disable save as PDF, and that means not using one of the PDF viewers. The simplest way to disable save and disable save as is not to have the code to do that present at all.

And because all the functionality is still there a hacker is not stopped from connecting to it.įor management control systems that rely on access control mechanisms (non- DRM protected files), you need to prevent Save and prevent Save As so that files cannot be moved to different locations, such as memory sticks or servers or network drives, where the access controls may be very different. This is not a good approach because anything being disabled by one plug-in may be enabled by another. Some techniques, such as plug-ins, try to prevent Save and prevent Save As by trying to disable Save in PDF (and Save As) by altering the code in the main application. So to prevent Save and prevent Save As from taking place you need to build a special application that does not have these capabilities rather than trying to relying on third-party add-ons to try and control the environment. viewing a web page in a browser), content is still cached to temporary files on the users local device (pages are automatically cached to disk to speed up viewing) so using technologies like JavaScript to prevent saving by the browser are often a waste of time. Any changes made are then applied to the temporary file which may either be saved as a new document or overwrite the existing document.Įven where editing is not possible (e.g. When a document is opened by an application (be that Word, Acrobat, or a browser) a temporary file is created and saved to disk. This is no different from copying a file directly in Windows File Explorer or a similar file browser application.

Most applications allow you to open a document and save a copy of it to another location on disk.

How save as pdf file