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Preview of YouTube Mobile - Custom Captions

YouTube Mobile - Custom Captions by dan

Experimental
Available on Firefox for Android™

Modify the style of captions on m.youtube.com, like can be done on the desktop site but with some more options!

You'll need Firefox to use this extension
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Screenshots
Example of a custom caption on m.yotube.com on fenix (firefox for android) - centered text with a drop shadow and no background, orange text purple shadowExample of a custom caption on m.yotube.com on fenix (firefox for android) - non centered text, no background, fancy typeface, white testExample of a custom caption on m.yotube.com on fenix (firefox for android) - typewriter typeface, black test on a beige background, depressed textExample of a custom caption on m.yotube.com on fenix (firefox for android) - white fancy text no backgroundExample of a custom caption on m.yotube.com on fenix (firefox for android) - in portrait mode showing centered text with a drop shadow and no background, orange text purple shadowExample of a custom caption on youtube.com on desktop - purple background orange text raised shadowShowing the settings page and options with mock preview of the captions above
About this extension
A lightweight self contained addon that allows for settings to be set for closed captions/subtitles on m.youtube.com, as YouTube only presents caption/accessibility options on the desktop site.

Designed as an Add-on for Firefox for Android, however supports desktop Firefox also.



Supports:
  • Font Typeface
  • Font Size
  • Font Colour
  • Background Colour
  • Shadow Style ('Text edge style')
  • Shadow Colour
  • Experimental force centered mode
  • Settings Sync to Mozilla Account

TODO:
  • Add custom positioning
  • Improve settings page (design, preview)
  • Make font and shadow types preview in their drop downs also
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This add-on needs to:

  • Access browser tabs
  • Access your data for sites in the youtube.com domain

This add-on may also ask to:

  • Access your data for all websites
More information
Add-on Links
Version
1.3
Size
419.64 KB
Last updated
a month ago (Feb 10, 2025)
Related Categories
License
MIT License
Version History
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Release notes for 1.3
Patch:
  • Hotfix for Youtube change causing background issues
  • Made text shadow/edgestyle scale with screen-size
  • Fixed ColourPicker preview circle always showing
  • Fix for 'Small caps'
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