Between the app and the document itself, you may be giving up more information than you realize.

Fortinet says the May 2026 Ousaban campaign uses PDF lures, geofencing, and steganography to target Windows banking users.

Compare the best free Microsoft Excel alternatives for 2026, including features, pricing, pros and cons, and use cases for each spreadsheet tool.

When somebody sends you a document as an attachment, don't just open it. Use the free tool Dangerzone to scrub it clean of any malevolent code. Here's how it works. You probably already know it's ...

PDFs are supposed to open in their own application window, but that doesn’t always happen. The most common cause is an outdated version of your external PDF reader/viewer. In such cases, update to the ...

PDF files have become a staple of our daily digital lives, both at work and at home. They work seamlessly across operating systems and devices, and they couldn’t be easier to create and share. Every ...

We may receive a commission on purchases made from links. PDFs remain a common way to share documents because they preserve formatting across devices and platforms. Sometimes, however, you end up with ...

The open-pdf-sign CLI application allows to easily sign PDF files from the command line. Signatures can be invisible (default) or visible (can be customized). Sign documents with signatures that ...