Understanding Unicode Text Styles on the Web (Superscript, Small Caps, Fancy Text & More)

When we type on the internet, we usually use plain text from a standard keyboard. But if you look closely at posts, bios, and documents online, you'll often see text that looks different — smaller letters, raised numbers, decorative characters, or stylized fonts. Examples: x² or 10³ in math formulas H₂O in chemistry sᴍᴀʟʟ ᴄᴀᴘs in headings ⓑⓤⓑⓑⓛⓔ style letters in social media captions These are not actual fonts. They are Unicode characters. Understanding how Unicode text styling works can be surprisingly useful for developers, writers, and anyone creating content online. What is Unicode? Unicode is a universal character encoding system designed to represent text from all writing systems in the world. Instead of limiting text to just A–Z and numbers, Unicode includes thousands of characters such as: mathematical symbols language scripts emoji styled letters superscript and subscript characters Because of Unicode, text like this can exist: ʰᵉˡˡᵒ 𝓗𝓮𝓵𝓵𝓸 Ⓗⓔⓛⓛⓞ Ｈｅｌｌｏ Each of these characters