You can convert Apple's HEIC files to PDF on a Mac or Windows computer using the free Convertio website.

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, ...

You can digitally sign a PDF in several different ways, including Adobe Acrobat, Apple's Preview app, and mobile apps, among other options.

PDF or Portable Document Format is a file format that allows you to present documents featuring text, images, and rich media with other people. In fact, it is one of the widely-accepted file formats ...

Posts from this topic will be added to your daily email digest and your homepage feed. is a reviews editor who manages how-tos and various projects. She’s worked as an editor and writer (and ...