Template Arrays
Generate structured objects using row-based syntax — perfect for lists, tables, seed data and mock files.
Welcome to JSSON
The human-friendly way to write JSON.
Why JSSON?
Section titled “Why JSSON?”JSSON (JavaScript Simplified Object Notation) is a modern, lightweight
syntax that makes writing JSON faster, cleaner, and way more readable —
without replacing JSON, and without adding a runtime.
It’s just a transpiler.
You write JSSON → it outputs real JSON.
Perfect for:
- API configs
- Seed files
- Mock data
- Structured lists
- Data templates
- Anything that would normally be a giant JSON wall
What makes it different?
Section titled “What makes it different?”Map Transformations
Apply transformations inside the syntax using JSSON’s map (item) blocks.
Includes & Modularization
Split large files with include "./file.jsson" and avoid repetition.
Ranges & Steps
Write lists like [ 0..10 step 2 ] — cleaner and faster than ever.
Zero Runtime
JSSON only transpiles. No hidden logic, no magic, no interpreter needed.
Fun Error Messages
Wizards, gremlins and goblins guide you when something breaks.
Changelog
View the changelog for more information.
Ready to begin?
Section titled “Ready to begin?”Start with the basic syntax and real examples in the
Getting Started guide →
Or explore everything the language offers in the
Reference section → located in the sidebar.
Happy JSSONing! 🚀