If you want to protect premium videos in a web browser, you do not necessarily need to build a native video app. A browser-based Video DRM solution can protect encrypted video while allowing users to watch it through Chrome, Safari,
Why Users Cannot See a PDF After You Delete and Re-Upload It
If you use a PDF DRM system to protect books, courses, training materials, or paid documents, you may run into this problem: You delete an old PDF, upload a new version, and your existing users can no longer see the
How to Send Secure PDF Reading Links Without Making Customers Enter Their Email Every Time
If you sell ebooks, training materials, reports, manuals, or other PDF files online, you may want to protect your PDF without making the customer deal with a complicated login process. A common problem is this: How can I send a
Telegram PDF Protection: Allow Only Telegram Group Members to Access PDF Files
Sharing PDF files in a Telegram group is easy, but protecting those files is much harder. If you sell courses, CFA study materials, ebooks, training documents, exam preparation materials, reports, or other paid PDFs, you may not want everyone who
How to Protect CFA Study Materials from PDF Sharing, Reselling, and Unauthorized Downloads
A CFA exam study material provider recently contacted us with a very common problem. He runs a small two-person business that creates study and review materials for people preparing for the Chartered Financial Analyst (CFA) exams. His products include PDF
How to Use the Invite User Function to Securely Share PDFs with Expiring Links and Device Limits
Sharing a PDF by email or a normal download link is easy. The problem starts after the recipient gets the file. Once a PDF is downloaded, it can be copied, forwarded, uploaded to cloud storage, or shared with other people.
Is a Web PDF Viewer Secure? Can Anyone With the Link Open Your PDF?
If you sell or share PDF files online, you may have an important question: If I send someone a web PDF viewer link, can anyone with the link open my PDF? The answer depends on how the PDF viewer is
3 Ways to Add Authorized Users to VeryPDF DRM Protector for PDF eBook Protection
When you use VeryPDF DRM Protector to sell protected PDF eBooks, you can create an authorized user for each customer. For example, if you want each customer to read an eBook on a maximum of 2 devices, you can set
How to Build an Automatic eBook Delivery System with PDF Device Limits
Selling PDF eBooks is easy. The difficult part starts after a customer pays. You need to deliver the correct PDF, send the customer a private reading link, stop customers from sharing that link, and control how many devices can open
How to Protect PDF Files Offline Without Internet Using DRM (Stop Screenshots and Screen Recording)
If you want to share confidential PDF files without requiring an internet connection, you also need to stop users from taking screenshots, recording the screen, or changing the protected file. Many publishers, training companies, government agencies, engineering firms, and document