JSON → YAML オンラインコンバーター

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Error
JSON
YAML
// YAML output

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JSON フォーマッター
整形・検証・圧縮
YAML フォーマッター
整形・検証
YAML→JSON
JSON に変換
JSON→CSV
CSV に変換
JSON→XML
XML に変換
JSON→TOML
TOML に変換
TOML フォーマッター
整形・検証
Cron 生成
スケジュール作成

なぜこれが最高のJSON→YAMLコンバーターなのか

即時変換

Convert JSON to YAML in real-time as you type. Supports all JSON types including nested objects, arrays, strings, numbers, booleans and null.

正確なYAML型

Intelligently handles type inference — numbers stay numbers, booleans become true/false, null becomes null without quotes.

シンタックスハイライト

YAML output is syntax-highlighted by key, value type, and structure for easy readability.

YAMLダウンロード

Export the result as a .yaml file for direct use in Kubernetes, Docker Compose, GitHub Actions, or any config system.

よくある質問

What is the difference between JSON and YAML?

JSON uses braces and quotes for structure, while YAML uses indentation and is more human-readable. YAML is commonly used for config files (Docker, Kubernetes, CI/CD pipelines).

Is the JSON to YAML conversion lossless?

Yes. All data types are preserved. JSON objects become YAML mappings, arrays become YAML sequences, and primitive types are correctly inferred.

Can I use this for Kubernetes or Docker configs?

Yes. This tool produces valid YAML output compatible with Kubernetes manifests, Docker Compose files, and GitHub Actions workflows.

詳細ガイド
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