XML to TOON Converter
Convert XML to TOON (Token Oriented Object Notation) and reduce LLM token usage. XML is the most verbose format — savings can exceed 50%. Free, browser-based.
How to Use XML to TOON Converter
How to Use XML to TOON Converter
Paste your XML into the input field. The tool parses the XML, converts the structure to a plain object model, then serializes it to TOON format — showing estimated token counts before and after.
What is TOON?
TOON (Token Oriented Object Notation) is a compact, human-readable encoding designed for LLM input. XML is the most verbose structured format, with opening/closing tags, angle brackets, and attributes all consuming tokens. TOON eliminates this overhead — token savings of 50% or more are common when converting from XML.
How XML is Mapped
- Element text content → scalar value (auto-coerced to number or boolean where applicable)
- Child elements → nested TOON keys
- Attributes →
@attrkeys - Repeated sibling tags → arrays
- Root element tag → top-level key
Frequently Asked Questions
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