Preview

There are many third-party apps available for Mac that will batch convert images for you (Permute is one example). And then there's Preview, the powerful file viewer that's built into macOS. Preview will happily convert several images for you in one go. If you have lots of photos on your Mac in Apple's HEIC format, for instance, you can use Preview to quickly convert them to the more...

When you receive a PDF document by email that you must sign, the process of printing out the file, signing on the dotted line with a pen, scanning the signed document and sending it back can be a rather tedious task. Fortunately, Apple has added the ability to electronically sign a PDF document using Preview, a program that comes preinstalled on every Mac running OS X Lion or later. The...

Over the years, Adobe's PDF file type has become a universally accepted method for sharing digital documents. The format's cross-platform adoption means the documents can be viewed on almost any mobile device or computer, so it's no surprise to find that macOS includes native support for viewing and creating PDF files. In the Preview app, for example, it's possible to create a single...

All of Apple's Macs come with Preview, a feature that's built into macOS. Preview is the default app that opens up whenever you view an image or a PDF, and it actually has quite a few useful tools built into it, which we've explored in the latest video over on our YouTube channel. Subscribe to the MacRumors YouTube channel for more videos. Editing a Clipboard Image - If you copy an image...

Mac users running macOS Sierra 10.12.2 are being urged to avoid using Preview to edit PDFs until Apple fixes several bugs in the app that can cause corruption issues in the document format. The recommendation comes from TidBITS publisher Adam Engst. Writing on the online Apple newsletter website, Engst backs up fellow developer Craig Landrup's claim that Apple's decision to rewrite the PDFKit...