toon-format
Token-Oriented Object Notation (TOON)
Skill by ara.so — Daily 2026 Skills collection.
TOON is a compact, human-readable encoding of the JSON data model that minimizes tokens for LLM input. It combines YAML-style indentation for nested objects with CSV-style tabular layout for uniform arrays, achieving ~40% token reduction while maintaining or improving LLM comprehension accuracy.
Installation
# npm
npm install @toon-format/toon
# pnpm
pnpm add @toon-format/toon
# yarn
yarn add @toon-format/toon
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