YouTube is testing a new pinch-to-zoom feature on mobile devices. The experiment, which is exclusive to YouTube Premium subscribers, will run until Sept.
1. At that point YouTube will decide whether or not it wants to make this feature available permanently. YouTube Premium subscribers can enable pinch-to-zoom on YouTube's website(Opens in a new window) and then start playing around with it on their iOS or Android devices. (Although I had to restart the YouTube app on my iPhone before the experimental feature was made available on that device.) The feature works like you'd expect, given that pinch-to-zoom has been a standard feature on smartphones since the original iPhone debuted in 2007.
It offers single-point adjustments to the current magnification (1.0, 1.1, etc.) up to a maximum zoom level of 8. There are natural limitations on this feature.
YouTube defaults to streaming at lower resolutions on mobile devices, for example, meaning there aren't as many fine details to zoom in on.Read more on pcmag.com