Serializing

Lesson in the iOS Roadmap · Stage 20: JSON / XML

Last updated 14 September 2026

What is Serializing?

Serializing converts Swift data structures into JSON or XML format for storage or network transmission. JSONEncoder turns Codable types into Data. Proper serialization handles date formats, custom key naming strategies, and optional values to produce valid output that the server or storage layer can interpret correctly.

Study this in the interactive course See the whole iOS roadmap

Free resources to learn Serializing

Official docsEncoding, Decoding and Serialization
Official docsCodable
ArticleCodable Cheat Sheet

Serializing: common questions

Can I learn Serializing in Hindi?

This lesson is written in English. Once you sign in, open it in the interactive course and ask the AI tutor to explain Serializing in Hindi or Hinglish. The tutor answers from this lesson’s own text, so it stays on the syllabus, and it runs on your own Google, OpenAI or Anthropic key.

Is this Serializing tutorial for beginners?

It is lesson 117 of 170 in the free iOS roadmap, in stage 20, JSON / XML. If you are new to iOS, start from stage 1 and come back here in order; if you already know the earlier stages, this lesson stands on its own.