The History of Text Encoding: From ASCII to Unicode

Text encoding is a topic that not enough programmers understand well. It rarely appears on computer science curriculums, even at universities, yet it’s something almost every developer will encounter in the real world. It underpins every file you save, every message you send, every webpage you load. This represents a widespread and ongoing failure in programming education. When I first tried to learn about this topic, I found most articles confusing and poorly written. The top search results were either too abstract or buried the important details under walls of jargon. I ended up putting off learning this topic for years. This set of articles are a resource I wish I had back then. ...

December 23, 2025 · 6 min