Converters

JSON to TOON

Convert JSON to TOON format

Input

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Output

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Features

JSON to TOON

Converts JSON objects into TOON, a compact human-readable tree notation

Instant Convert

One-click conversion with no configuration required

Line Wrap Toggle

Toggle line wrapping to handle long or deeply nested output

Copy & Download

Copy the TOON output to clipboard or download as a text file

What is TOON?

TOON (Tree Object Notation) is a text format that represents nested data structures as a visual tree. Where JSON uses braces and brackets, TOON uses indentation and connectors — closer to how you'd sketch a data hierarchy on a whiteboard than how you'd write it in code.

It's useful when you want to share or document a data structure with someone who isn't comfortable reading JSON, or when you need a quick visual summary of a nested object's shape without all the punctuation.

Using this converter

Paste any valid JSON in the input editor and click Convert. The TOON output appears on the right. You can toggle line wrap if the tree is wider than the editor, and copy or download the result when you're done.

The converter handles arbitrarily nested objects and arrays. Arrays render as indexed branches, objects render as named branches, and primitive values appear as leaf nodes.