Whether it's an inconvenient watermark, crop mark, or some other type of special mark, you may find that at some point, you need to remove special marks from a PDF document. Since PDF documents are ...

The World Wide Web can be a dangerous place, and if you use a computer in your small business, you need to protect your sensitive data. One way to protect your data is by encrypting PDF files. If you ...

Password protecting a sensitive PDF file is a great way to secure its contents from prying eyes. However, sharing a password-protected PDF can be a logistical nightmare, especially if the contents don ...

Need to make notes in a PDF, or perhaps correct a few typos or reorganize the pages? Here are the tools and tips you need. Editing PDFs is something many people need to do, but unfortunately it’s not ...

Gimp is normally used to create or manipulate images files, but can also work with PDFs if you understand how it works and what it's limits are. If you’ve never used Gimp—a free image editor available ...