The ultimate tool to optimize your data for Large Language Models.
Convert verbose JSON into concise, token-efficient TOON format.
Paste your JSON data into the input editor.
We instantly transform it to TOON format.
Copy the result and use it in your LLM prompts.
TOON reduces syntax noise while keeping data structured.
{
"products": [
{"id": 1, "name": "Laptop", "price": 999},
{"id": 2, "name": "Mouse", "price": 25},
{"id": 3, "name": "Keyboard", "price": 75}
]
}
products[3]{id,name,price}:
1,Laptop,999
2,Mouse,25
3,Keyboard,75
Reduce context window usage by 30-50% when feeding data to GPT-4 or Claude.
Write cleaner config files that are easier to read and edit manually.
Quickly scan tabular data without the visual clutter of brackets and quotes.
Store structured logs more compactly without losing the ability to parse them.