How do I customize my closed captionings / subtitles in https://tv.apple.com web site?

I cannot seem to find those options because I don't like the tiny font size and colors like in Plurbius. I am using Firefox v145.0.1 in my old updated, 64-bit W10 Pro. :(


Thank you for reading and hopefully answering soon. :)

Windows, Windows 6

Posted on Nov 20, 2025 6:22 PM

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Posted on Dec 10, 2025 12:03 AM

On tv.apple.com, you can customize subtitles through the speech-bubble menu, but Firefox does not fully support Apple’s caption styling features. That’s why subtitles stay tiny and cannot be recolored. Use Microsoft Edge or Chrome for full subtitle customization on Windows.

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How do I customize my closed captionings / subtitles in https://tv.apple.com web site?

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