Using Android 13 in Pixel 7.
Is there any way we can change the font size or placement of subtitles of a running video within the YouTube app without any subscription model? Is that feasible?
The subtitle size can be set from the device settings for captions.
From YouTube Help - Manage subtitle settings
Change default size & style of captions
- Tap your profile picture .
- Tap Settings .
- Tap Captions.
- Tap “Caption size and style” to change the default size and font.
The subtitle position cannot be configured from the YouTube app. However, there may be alternative options like:
For devices that have Live Caption, system-generated captions can be moved along vertically (thanks to a YouTube video by Kris Occhipinti.
Move the caption box
To move the caption box: Touch and hold, then drag up or down.
(Note that the YouTube Premium subscription doesn't provide additional settings for subtitles/captions)