YouTube Video Keyboard Shortcuts
I've known of a few of these for quite a while, but I discovered a whole bunch more yesterday. You can bring up the cheatsheet while on YouTube by pressing SHIFT+/
PLAYBACK
Fast forward 10 seconds
l
Previous video
P (SHIFT+p)
Previous frame (while paused)
,
Next frame (while paused)
.
Decrease playback rate
< (SHIFT+,)
Increase playback rate
> (SHIFT+.)
Seek to specific point in the video (7 advances to 70% of duration)
0..9
Seek to previous chapter
CONTROL + ←
Seek to next chapter
CONTROL + →
GENERAL
Close miniplayer or current dialog
ESCAPE
Show shortcuts on YouTube website
? (SHIFT+/)
SUBTITLES AND CLOSED CAPTIONS
If the video supports captions, toggle captions ON/OFF
c
Rotate through different text opacity levels
o
Rotate through different window opacity levels
w
Rotate through font sizes (increasing)
+
Rotate through font sizes (decreasing)
-
SPHERICAL VIDEOS
Zoom out
- on numpad or [