features
optimize llm api costs without sacrificing data integrity
token reduction
save 30-60% on llm api costs. benchmarks show consistent savings across data types.
better performance
73.9% accuracy vs json's 69.7% with 39.6% fewer tokens. optimized for uniform arrays.
lossless
bidirectional conversion. json → toon → json with perfect data recovery.
readable
indentation-based nesting. smart quoting for clarity.
typescript
official npm package. full type definitions. node.js and browser support.
auto-optimization
detects uniform arrays. applies tabular format. minimizes tokens automatically.
use cases
api responses
optimize api data before sending to llms.
time-series
analytics, metrics, logs with consistent fields.
db records
catalogs, directories, uniform record sets.
e-commerce
orders, inventory, transactions with repeated patterns.