Write JSON

From an idea to clean JSON.

Build, edit, validate, and format structured data in a focused visual workspace.

What you can do

Build visually

Create objects and arrays, work with field types, and edit nested structures.

Edit with precision

Use the raw editor, validation feedback, formatting, and minifying tools.

Find a starting point

Describe a structure in plain language and review the AI-assisted result before using it.

Write JSON preview

Put it to work

A useful first step.

Explore a practical guide built around Write JSON, then choose the approach that fits your task.

See the current App Store listing for pricing, availability, and device compatibility.