How to make something stop downloading in pdf

However, this provides a poor user experience since images are slow to display and print, and features such as search, bookmarks, and annotations are unlikely to be available. However, if you encrypt a PDF file and the user does not have the decryption key to use it then it does not matter if they can download it.

And if you apply DRM and licensing controls then authorized users those given access will be restricted as to what they can do with downloadable PDF files for example not being able to share them with others. Many cloud based systems claim to stop PDF forwarding — however users can share their login credentials with others so they have access to your documents anyway. If a system uses document links then there is nothing stopping an authorized user emailing those links to other users along with the login information.

Some systems state that they lock PDF files to email addresses or domains but that just means that you have to login using that email address or any email address that belongs to the domain.

It does not stop PDF forwarding since authorized users can still give their login credentials to others. That is also true of 2FA codes which provide little extra protection. A Safeguard protected PDF file can be forwarded and emailed to another user but the recipient will NOT be able to view it unless the document owner has authorized them to use it. If you are the document publisher, you can email protected PDF files to users knowing that if they fall into the wrong hands they cannot be opened.

So if a protected PDF is accidentally forwarded to the wrong person they will not be able to use it. See also stop copying, downloading and emailing. This is because there are numerous free and paid for PDF password remover programs on the Internet that will remove Adobe Acrobat permissions passwords in seconds.

Users can still add comments to PDF files if you allow this option , but PDF content is always protected from editing ensuring that your original content cannot be altered in any way. In some PDF protection products, if editing is disabled you can still highlight and copy text. Safeguard stops users from copying text and other content within a document — there is no copy paste option available and text cannot be highlighted for selection so it cannot be copied and pasted into other applications.

Unfortunately there are many free screen grabbing or screen capture applications available that users can download to easily bypass this restriction. Safeguard stops screenshots being taken by common third party software applications. It uses many different methods including a screen mask that is overlaid over the protected PDF document if the mouse cursor is moved to another active application. No PDF DRM product however can stop all screenshots users can just take photographs of the screen so it is recommended that document publishers apply dynamic watermarks as a copying deterrent.

Safeguard enables document publishers to expire PDF files so they can no longer be used after a certain amount of time. The following options are available:. You might for example want a user to be able to use your documents for a 15 day trial period but those documents will expire on a fixed date regardless if the trial period is used or not. Being able to revoke PDF files is an important part of any document security solution. There may be times when the wrong document was published, a user has left your company, or you think a specific document has been compromised.

Safeguard enables you to revoke PDF files instantly the document must be set to check with the administration system each time it is opened , or you can revoke users so all documents they have access to become inaccessible. If you have created PDF files that only check with the administration system every n days then PDF revocation will only take place once a check has occurred. With Safeguard, PDF files can be revoked no matter where they are located. You can also revoke access to multiple PDF files instantly and group documents into publications to make revocation easier for common groups of documents.

No DRM system is fool-proof. Even if screenshots are prevented, users can take photographs of the screen using a camera. This option comes up even in Reader no matter what other security selections you have chosen. In our case, Adobe Acrobat was purchased solely to provide some degree of protection for their own format. It is hard to believe that Adobe will let you prevent printing, prevent editing, prevent even opening without a password or you can really go all out and use a certificate for your encryption.

Yet they have no options to prevent saving at any point, anywhere. There are probably programs that are actually sold just to remove the DRM from Adobe documents and even if not, the point was that the client specified that no downloads be allowed even by users who had access to the private site.

Therefore the need to prevent the download to start with is not so hard to understand. Unless I can find a way to prevent opening, saving etc for a Flash File. Next, is it possible to password protect a Flash file from opening when clicked on? I am not sure if I could post the code here or whether it is acceptable to paste links either but a Google search for "Maximus right click" will take you to it.

And it was one of several examples, it just happened to be the one I could implement the easiest and worked better than the others. Credit where credit is due. It seems to me that this is a place where there is an obvious need for a one-step packaged solution and usually "The Laws of Nature" take care of such an Imbalance in short order. Yet my research has taken me through many years of posters all asking for the same thing. If I find it, and it works, I'm buying it. I wish I had skills as a programmer because I have some pretty good ideas of ways to implement such a product, unfortunately, I do not know how to put these ideas into practical use.

You could also control printing from javascript on the client side. Although we should agree that ultimately you cannot prevent some form of document capture specially through screen capture technology either through phone or computer , the goal is to prevent direct download of original document. Some suggest you turn it into images, but this is not necessary. There is clearly a way, as several cloud services allow you to share pdf files, removing the download option, without converting the PDF to images a superior method because it retains important properties like word search.

Personally, as a user of Outlook email, I use the cloud service it provides, OneDrive. I am no expert on HTMl so cannot tell you exactly how it is done, but it might still provide you some insights.

Here is the code for one particular PDF I shared without private information and other bits that seemed unnecessary to me :. I suggest to modify pdf. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. Asked 10 years, 9 months ago. Active 1 year, 2 months ago. Viewed k times. I am thinking about converting those PDF files to Flash.

Any other ideas? Aug 10, PM. Aug 10, PM in response to nwcs In response to nwcs. But, I don't want the files to download at all, which was the case for me for years until just a couple of days ago. Aug 27, PM in response to pjmetz In response to pjmetz.

I am also having the same problem Paula. When I visit a website for taking school tests online the test is in PDF format and the answer form is built into the web page. Last semester Safari correctly displayed the PDF in the middle of the screen and allowed me to navigate the test while inputting answers.

Suddenly it wants to download the test without asking me and then not display it near the answer submission form. VERY frustrating! I feel your pain!!! Aug 27, PM. Aug 28, AM in response to pjmetz In response to pjmetz. I am sure they didn't leave things as they were, did they?

If they did, and Adobe Reader is strong-arming its way to causing all PDF files to download, try removing Reader and give it a test with no Reader-assist. Oh, I'm not trying to get you to give up on Reader. You can copy Reader to an ext. Then test Safari. If Safari works correctly without Reader, get your answer from Adobe. Whatever it is you are typing in or have been typing in previously , it is not a PDF file, so your issue needs a new question, or contact the school site webmaster for help.

Aug 28, AM. The problem is that the pdf is downloaded to read. By default, Opera opens a PDF file in the browser window instead of saving it to the downloads folder. To change how Opera treats PDF files in the browser, follow the steps below. Tip To have PDF files open in the browser again, repeat these steps and select the Preview in Firefox option or Use other option to choose another program.