Per request from Joe Ross, I am posting this website here. Itβs been permanently open on my browser for at least a couple of years. The one I used most often is Math Bold Italic.
Just insert your text into the box at the top, press submit, and
π½ππππ.
π΄πππ ππππ
ππππππ.
Takes very few seconds; copy from there and paste almost wherever.
Unicode Text Converter:
https://qaz.wtf/u/convert.cgi