Q and Z (formerly at Panix) is a hidden pillar of the old web, converting text to appear to be upside-down, in a 𝔟𝔩𝔞𝔠𝔨𝔩𝔢𝔱𝔱𝔢𝔯 typeface, Ɽ𐌵𐌍𐌉𐌂, or anything else made possible through ...

Facebook doesn't support custom fonts, but users can stylise posts with Unicode text converters like YayText or LingoJam for bold, cursive or bubble-style lettering.