If you want to password-protect your PDF documents from outside interference, then maybe you should give PDF Page Lock a test run. It is a free encryption software that lets you easily encrypt PDF ...

Want to encrypt your important PDF files? It's easier than you might think. Here's how to encrypt PDF files on your Mac or Windows PC.

If you have a confidential PDF you want to password protect, you have a few ways to do that on your Windows 11 PC. You can use a desktop app or a web-based tool to encrypt your PDF files.

Do you work with PDF files and want an all-in-one solution to edit and manipulate them effectively? Look no further than LightPDF, a free online PDF utility with over 20 PDF tools intended to make ...

With a few steps you can set up an easy way to encrypt PDF files generated from the standard print dialog window.

Advanced PDF Utilities & PDFill PDF Editor can be used to manage PDF tasks such as, split pages, merge, encrypt, edit, convert PDF files etc.

Sending important documents? Learn how to password protect PDFs for extra security using easy steps with Adobe Acrobat and free online tools.

How to encrypt and password-protect ZIP files the right way This tip was originally published on IDG Answers, a reader-powered help desk for answering tech questions.

With WowTron PDF Encryption But in fact besides this user can also set restrictions to pdf file to protect pdf from being printed copied extracted and edited.