The Apple iPad tablet computer offers native support for Portable Document Format files. Though the devices can open and display PDF files using applications installed at the factory, some users may ...

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, ...

Most of us take PDF files for granted. Years ago, Adobe created a universal file format with their Acrobat software that produced documents which could be opened on PCs, Mac and Unix/Linux computers.

You can find free PDF editors on the internet, but their most important features tend to be behind a paywall. Most PDF editors are web apps that work on both Windows and Mac, though some have desktop ...