The PDF file format is a great way to save images and text in a document. PDF is great because the image and text can keep their original quality. Even if the PDF document is not opened in the same ...

There are times when a PDF truly needs encryption—for instance, if it contains sensitive information and someone just emailed it to you (let’s hope they used another communications method to send you ...

Highlighting text in a PDF document is handy for marking important areas you can access later. You can use Microsoft Edge to highlight PDF or any other software with a PDF highlighting feature.

Use Preview: Open the PDF in Preview, click File > Export, select “Reduce File Size” under Quartz Filter, and save. Use ColorSync Utility: Open the PDF in ColorSync Utility, click File > Export, ...

In a PDF document, there are essentially two ways to display text. One way is to embed the text, including its font information, in the document file. The other way is to display the text as an image, ...

A PDF is a suitable file format for creating and reading e-books. However, if you want to open an e-book in most e-readers, like the Amazon Kindle and B&N Nook, you must first convert it to an EPUB.

PDFs are a great way to share documents because the format can be read by mostly anyone and it works just as well with images as it does text, graphs and graphics. But it's not easy to edit without ...