I don't think so: JPEG 2000, as far as I know, isn't generally supported for web use in web browsers, but it is supported in PDF.

JPEG-XL is recommended as the preferred format for HDR content for PDFs, so it’s more likely to be encountered:

	▲	jchw 2 hours ago \| parent [-]
		What I mean to say is, I believe browsers do support JPEG 2000 in PDF, just not on the web.