JSON, TOON, TONL, CSV & More Data Format Documentation
Detailed specifications and guides for all supported data formats.
JSON (JavaScript Object Notation)
The standard data interchange format. Learn about its structure and usage.
TOON (Token-Oriented Object Notation)
Token-Oriented Object Notation. Optimized for LLMs to save tokens and reduce costs.
TONL (Token-Optimized Notation Language)
Production-ready data platform with query capabilities, schema validation, and advanced optimization. Save up to 45% tokens.
CSV (Comma-Separated Values)
Universal tabular data format for spreadsheets and databases. Simple, widely-supported, and human-readable.
YAML (YAML Ain't Markup Language)
A human-friendly data serialization standard often used for configuration.
XML (Extensible Markup Language)
Extensible Markup Language. A markup language for encoding documents.
TOML (Tom's Obvious, Minimal Language)
Tom's Obvious, Minimal Language. A configuration file format that is easy to read.
Protobuf (Protocol Buffers)
Google's language-neutral, platform-neutral, extensible mechanism for serializing structured data.
Need JSON repair, query, validation, or JWT inspection?
Use our browser-based JSON tools to repair malformed JSON, run JSONPath queries, compare diffs, validate against JSON Schema, inspect tree data, and decode JWTs before converting payloads to TOON or TONL.