VLC (initially VideoLAN Client), which can be used as a server to stream MPEG−1, MPEG−2 and MPEG−4 files, DVDs and live videos on the network in unicast or multicast; or used as a client to receive, decode and display MPEG streams under multiple operating systems. Here is an illustration of the complete VideoLAN solution. Dec 27, 2018 VLC player for iOS devices also allows you to protect videos using a passcode. Just tap on Setting of the VLC on your iPhone or iPad, then turn Passcode Lock on and it will ask you to enter 4 Digit passcode. Tip #3: Add Dropbox Video and Play on iOS Devices.
VLC Media Player for Mac is a powerful and efficient app for playing all kinds of media in multiple formats right on your Mac. With this app in place, you can just download and watch what you want, without having to worry about formats, compatibility, and conversions.
Pros
Versatile and free: VLC Media Player is completely free, and it allows you to play media in a wide variety of formats, many of which would not otherwise be immediately compatible with Mac. In this way, it eliminates the need to convert files before you can play them back and lets you get right down to the fun part.
Advanced features: While most users will probably only use this app to watch media, it does offer a few nice advanced features that more experienced users will enjoy. For instance, there are several basic editing tools that allow you to adjust various file properties to enhance your viewing experience.
Cons
Unwelcoming interface: VLC Media Player's interface may be a bit intimidating to inexperienced users, as it's quite bare bones and utilitarian. And while it's easy enough to figure out how to access basic features, finding the more advanced tools can take some determined poking around.
Bottom Line
VLC Media Player is a great free way to access a variety of media files directly on your Mac, with no conversions required. It could stand a bit of a facelift, but overall, it's a convenient app to have at your disposal. And since it's free, there's no reason not to try it out to see if it will work for you.