Forces YouTube to open the player in the theater mode (full-width mode) even if you are logged out
Users
20K
0 in 30 days
Rating
3.7 / 5
−0.02 in 30 days
Ratings
107
+1 in 30 days
Store rank
#5,714
#4,898 among extensions
Version
0.2.7
updated 18 Jun 2026
Users
monthly, 3 years
Latest, 15 Oct 2026:20,000 usersMove the mouse over the chart for any month
Ratings count
monthly, 3 years
Latest, 15 Oct 2026:107 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About Theater Mode for YouTube™ (large player view)
This extension enables YouTube to default to theater mode for the player, even if you're not logged in. If you prefer the default mode, you can easily switch back by clicking the button in the player or using the "KeyT" shortcut. However, the next time you visit, the player will automatically be in theater mode again. The extension doesn't offer any configurable options; it functions seamlessly. It's important to note that the theater mode activated by the extension is authentic and not achieved through CSS or JS tricks; it uses YouTube's actual theater mode.
To use this feature in incognito mode, you must allow the extension to be active in this mode.
How does the extension work?
The extension employs two methods to ensure the player is in theater mode:
1. It sets the relevant cookie on each visit.
2. It triggers the necessary button press when the player loads.
For reporting any bugs, please use the discussion section found at:
https://webextension.org/listing/youtube-tools.html?theater
Growth
Window
Users
Change
Ratings
Rating
7 days
0
+0.0%
0
−0.01
30 days
0
+0.0%
+1
−0.02
6 months
0
+0.0%
+3
−0.07
1 year
0
+0.0%
+6
−0.11
Chrome Web Store search rankings
Where Theater Mode for YouTube™ (large player view) appears when people search the store, with the 30 day change