The widely used PDF format supports data-saving encryption, allowing you to protect sensitive documents so that only those with the correct password can access them. In the old days, you’d need a ...

PDF is an incredibly popular file format used widely for sharing documents. One of its biggest advantages is the ability to use everything, including fonts, vector graphics, and images, displaying the ...

“Is there any way to password-protect and lock a sensitive PDF file before sending it as an attachment through email? I cannot afford Adobe Acrobat Pro and free primopdf didn’t work for me. Any help ...