Most video players that you run on desktop PCs and even many mobile media players support zooming. You can zoom any video that you play in these players using built-in controls.
In VLC Media Player for instance, a popular cross-platform media player, you can zoom using the Z-key, and do then reverse with Shift-Z instead.
YouTube, and most online video services, don't support zooming at all. While you can zoom the pages, doing will leave the video untouched usually.
Zooming can be useful in certain situations, usually when you want to take a closer look at something that is displayed in a video.
YouTube users have two main options when it comes to the zooming of videos on YouTube. Use a web browser extension to add zooming capabilities, or use a third-party video player with zooming functionality to play YouTube videos.
Check out the following browser extensions that add zooming options to YouTube:
Other extensions, Magic Actions for YouTube for instance, may enlarge the player area up to the full size of the browser window. While that is not zooming, it may be sufficient for some users who want to see more details on the screen.
The second option is to use a local video player that supports YouTube videos and zooming. You can use SMPlayer's SMTube for that for instance. It is an add-on for SMPlayer that you need to install separately. Once installed, you may use it to browse and search YouTube using it. Any video that you want to play is sent to SMPlayer's main player interface where it starts to play.
You can then use the program's zoom options, accessible via Video > Zoom and shortcuts, to zoom the video that plays.
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Ghacks is a technology news blog that was founded in 2005 by Martin Brinkmann. It has since then become one of the most popular tech news sites on the Internet with five authors and regular contributions from freelance writers.