User talk:Nikki/CAA
For Apple Music (iTunes):
Change
to
Maximum cover size is 3000*3000, but if the actual art is smaller, it will give you the biggest non-upscaled size (in this case, 2400*2400). The file is not exactly the same, but the image material, size and quality is, so the difference doesn't matter.
Beatport
Change
https://geo-media.beatport.com/image_size/500x500/04d3ede9-ddab-4441-8d72-de22ebcdf43e.jpg
to
https://geo-media.beatport.com/image/04d3ede9-ddab-4441-8d72-de22ebcdf43e.jpg.
The result is a WEBP file, but it might still be used (in converted form, or in the future).
Spotify
On the album page, view the HTML source code (Ctrl+U), and search for
<meta property="og:image" content="
The URL following content=" leads to a 640*640 JPEG of the cover art, which looks like https://i.scdn.co/image/ab67616d0000b273b449004a1a65defe341559a8.