How to compress video with Handbrake

iMore:

In this age of HD and 4K, videos seem to keep getting bigger, but our hard drives and Internet bandwidth don’t always follow suit. Whether you’re ripping your Blu-ray collection to an external hard drive, or just trying to e-mail Grandma a high-quality video of your vacation, sooner or later you’ll wish you could fit all those pixels into a smaller file. Happily, you can, with a little help from Handbrake – a free app that helps you compress video without sacrificing (much of) its quality.

I love Handbrake and use it several times a week.