JSON
JSON - A lightweight, text-based data interchange format
JSON (JavaScript Object Notation) is a lightweight, text-based format for representing structured data that is easy for humans to read and machines to parse.
Category
Data interchange / Lightweight data syntax
First Release
1999
File Extension
.json
Creator
Douglas Crockford
Latest News
Jetpack Compose Renderer for A2UI Protocol Enters Alpha
Google has released an alpha version of the Jetpack Compose renderer for the A2UI protocol, enabling developers to build agent-driven user interfaces using a declarative JSON format.
Symfony 8.2 Introduces Native JSON Schema Support for Configuration
The latest Symfony release adds native JSON Schema support, enabling real-time configuration validation and IDE autocompletion to reduce runtime errors.
Xcode 27.2 Beta Introduces JSON-Based Project Format
Apple has updated Xcode 27.2 beta with an optional JSON project format designed to improve version control merging and reduce configuration file sizes.
Difficulty
Straightforward syntax and widespread tooling make it easy to learn; however, understanding edge cases (numbers, dates, and schema design) requires practice.