The purpose
View the mobile version of YouTube on a Windows 11 PC.
Environment
Chrome: version 140.0.7339.208(Official Build) (64 ビット)
Background
The URL for the mobile version of YouTube is https://m.youtube.com/ .
But, if you try to open this page directly, it will redirect you to the desktop version.
How to view the mobile version of YouTube on a PC (Windows 11)
To access the mobile version of YouTube, you need to use a specific URL.
There is a URL that will permanently redirect you to the mobile version even if you try to access the desktop version (www), and another URL that grants mobile access for only a single session.
permanently
To permanently display the mobile version of YouTube, access the following URL:
After accessing the URL below, even if you try to access the PC version (www) of YouTube, you will be redirected to the mobile version.
How to disable
To revert to the desktop version of YouTube, access the following URL.

Once
To view the mobile version of YouTube just once, please visit the following URL:
Videos accessed from the page above will also be mobile version.
View individual videos
To view a specific video for mobile, the URL must be converted.
PC version
https://www.youtube.com/watch?v=XXXXXXX
<obile version
https://m.youtube.com/watch?v=XXXXXXX&app=m
The XXXXXXX part is the video ID, so it’s different for each video.
Change ‘www’ to ‘m’, and add ‘&app=m’ at the end.
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