By the way, OpenType.js has problems with parsing many fonts (old structures of TTF tables) and also with rendering some OTF (CCF) glyphs. If you are looking for a more versatile library, I recommend using Typr.js <a href="https://github.com/photopea/Typr.js" rel="nofollow">https://github.com/photopea/Typr.js</a>