#Unicode

UTF-8 is the most common way to encode Unicode text as bytes. This guide explains what UTF-8 is, how its variable-length design works, why it is backward-compatible with ASCII, and why it dominates the web.

Unicode is a universal standard that gives every character a unique number, covering all writing systems and emoji. This guide explains what Unicode is, how it works, how it relates to UTF-8, and why it matters.