[Shorel]

I really loved when this was a feature of the Opera browser, before they went chromium.

[starfallg]

I used Opera for a while, but I didn't recall it doing this. Do you have a link to show what it was able to do?

[Shorel]

Here there's a description:

https://grokipedia.com/page/opera_show_format

I am not sure if Opera 12 is even available for download anymore.