Author: By J. D. BIERSDORFER

The free image editor that Apple includes with its Macs can do a lot of things, including trimming out unwanted parts of your photos.

The rich text format for word-processing documents is versatile, but saving an R.T.F. file as a PDF gives it even more compatibility.

The most recent version of the Mac operating system includes controls for stopping web page videos that start blasting on their own.

Apple has moved some things around in the iOS 11 Control Center, but you can also make changes of your own.

With just a few steps, you can add emoji characters and change the name shown on your Twitter account.

If you don’t want the 3-D shadow on screenshots you take of macOS desktop windows, you just need to know the keyboard shortcut.

A long-hidden game inside the Google Chrome browser can help pass the time while you wait for your internet connection to come back.

The built-in Magnifier tool that comes with Windows can be adjusted so you can zoom in just how you like.

If you set up your mail accounts with the IMAP standard on your computer and mobile gadgets, keeping your mailboxes in sync is much easier.

When you decide it’s time to leave Google for another service, you can download a complete archive of all the files and data you used with Google products.