JSON to TOON Converter は何をしますか？
JSON to TOON Converter はブラウザ上でデータやファイルを変換するツールで、結果と制限を明確に示します。 検証済みの機能： Official TOON codec, JSON to TOON, TOON to JSON, TOON normalization.
TOON is shape-dependent
Evaluate TOON for repetitive structured data and LLM-facing payloads, but retain JSON where ecosystem compatibility matters more than representation size.
使い方
- Paste valid JSON or TOON and select the matching direction.
- Choose Convert to run the official codec in the browser.
- Review and copy the TOON or formatted JSON output.
実際の入出力例
Encode repeated object fields
入力
[{"id":1,"name":"Ada"},{"id":2,"name":"Lin"}]出力
[2]{id,name}:
1,Ada
2,LinTOON can declare shared fields once for a uniform array of objects.
一般的なエラーと対処
| 症状 | 原因 | 対処 |
|---|---|---|
| JSON to TOON reports invalid JSON. | The input uses comments, trailing commas, or another non-JSON extension. | Use the JSON5 converter first or provide strict JSON. |
| TOON is not smaller for this value. | Compact scalar values or irregular nested structures may not benefit from TOON tabular forms. | Compare the actual serialized sizes and choose the clearer interchange format. |
Important behavior of JSON ↔ TOON
このツール固有の制限： TOON is an evolving format and is not guaranteed to be smaller than JSON for every data shape.
標準と実装の参考資料
- TOON specification (opens in a new tab)Defines the current Token-Oriented Object Notation grammar and semantics.
- Official TOON implementation (opens in a new tab)Documents the encode and decode APIs used locally.
JSON ↔ TOON — FAQ
Does the JSON ↔ TOON upload my input?
No. Processing runs in the current browser tab, and the page does not send tool input to a KitLumi processing endpoint.
What input does the JSON ↔ TOON accept?
It accepts valid JSON or TOON text supported by the official implementation. The workspace checks the input and reports malformed or unsupported values before it produces a result.
What does the JSON ↔ TOON produce?
It produces TOON or formatted JSON. Copy and download controls appear when the output format supports them.
What limitation should I know?
TOON is an evolving format and is not guaranteed to be smaller than JSON for every data shape.
更新内容
実質的な更新： JSON ↔ TOON: Added Official TOON codec, JSON to TOON, TOON to JSON, TOON normalization, responsive controls, explicit runtime disclosure, and task-specific examples and limitations.