# Has anyone heard of TOON format? Looking for Julia implementation

**URL:** <https://discourse.julialang.org/t/has-anyone-heard-of-toon-format-looking-for-julia-implementation/133908>\
**Category:** General Usage\
**Created:** [November 16, 2025, 9:46am UTC](https://discourse.julialang.org/t/has-anyone-heard-of-toon-format-looking-for-julia-implementation/133908 "2025-11-16T09:46:03Z")\
**Posts on this page:** 1\
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**Author:** ![scelles](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/scelles/32/220408_2.png) [@scelles](https://discourse.julialang.org/u/scelles)\
**Post date:** [November 16, 2025, 5:27pm UTC](https://discourse.julialang.org/t/has-anyone-heard-of-toon-format-looking-for-julia-implementation/133908/4 "2025-11-16T17:27:43Z")

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I saw this idea in this post [Case Study: Wie wir bei Finanzfluss mit einem neuen Datenformat ~50% an LLM-Kosten sparen. 🦛 KI-Modelle werden zugleich günstiger und leistungsfähiger. Das eröffnet immer neue Möglichkeiten und… | Johann Schopplich | 93 comments](https://www.linkedin.com/feed/update/urn:li:activity:7389343359892402176/) and some other posts on LinkedIn.

I’m currently implementing a Julia package (using Claude Code and Kiro.dev)

> **[GitHub - s-celles/TOON.jl: Token-Oriented Object Notation (TOON)...](https://github.com/s-celles/TOON.jl)**
>
> Token-Oriented Object Notation (TOON) encoder/decoder for Julia

Status is work in progress. Not yet registered. But quite good code coverage (with more than 2000 tests with their official [Spec test suite](https://github.com/toon-format/spec/tree/main/tests/fixtures))

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