Serialization

Lesson in the Kotlin Roadmap · Stage 38: Documentation

Last updated 14 September 2026

What is Serialization?

Serialization is the process of converting an object's state into a format that can be stored or transmitted, and then reconstructed later. This allows you to save data to a file, send it over a network, or store it in a database, and then recreate the original object from that stored representation. Deserialization is the reverse process, taking the serialized data and reconstructing the object. In Kotlin, data serialization tools are available in the kotlinx.serialization library.

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Free resources to learn Serialization

Official docsSerialization
Open sourcekotlinx.serialization
VideoHow to Deserialize Inconsistent JSON Data With a Custom Kotlinx Serializer

Serialization: common questions

Can I learn Serialization 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 Serialization 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 Serialization tutorial for beginners?

It is lesson 108 of 153 in the free Kotlin roadmap, in stage 38, Documentation. If you are new to Kotlin, start from stage 1 and come back here in order; if you already know the earlier stages, this lesson stands on its own.