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YAML to TOML変換ツール - 設定ファイルをオンライン変換

無料オンラインYAML to TOML変換ツール。YAMLとTOML設定形式間の双方向変換。

Free Online YAML ↔ TOML Converter

Convert between YAML and TOML formats instantly in your browser. This bidirectional converter handles all standard YAML and TOML syntax including nested objects, arrays, key-value pairs, comments, and all data types. Perfect for converting configuration files between Kubernetes manifests, Rust Cargo.toml, Docker Compose, and other configuration systems.

Frequently Asked Questions

What is TOML?

TOML (Tom's Obvious, Minimal Language) is a configuration file format designed to be minimal and easy to read. It is commonly used in Rust (Cargo.toml), Python, and other projects. Unlike YAML, TOML uses explicit syntax with [sections] and key = value pairs, making it less ambiguous.

What is YAML?

YAML (YAML Ain't Markup Language) is a human-friendly data serialization format widely used for configuration in Kubernetes, Docker Compose, Ansible, CI/CD pipelines, and many other tools. It uses indentation-based syntax and is designed to be readable.

When should I use YAML vs TOML?

Use YAML for hierarchical configuration with deep nesting (Kubernetes, Docker Compose). Use TOML for simpler, flatter configurations (Cargo.toml, Python setup.cfg). TOML is stricter and less error-prone, while YAML is more flexible and expressive.

What happens to comments during conversion?

Comments in YAML (lines starting with #) are not preserved during conversion since the output format may not support them in the same way. The actual data values are preserved exactly.

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How to Use YAML to TOML

  1. Paste or upload your input data into the YAML to TOML input area
  2. Select the desired output format or conversion options
  3. Click Convert to transform your data instantly
  4. Copy the converted result or download the output file

Common Use Cases

  • Converting YAML configuration to JSON for API consumption
  • Formatting and validating YAML config files
  • Converting JSON data to YAML for Kubernetes configs
  • Editing and validating YAML with real-time feedback

Frequently Asked Questions

Is YAML to TOML free to use?
Yes, YAML to TOML is completely free with no signup required. You can use it as many times as you need.
Is my data safe when using YAML to TOML?
Absolutely. All processing happens directly in your browser. Your data is never sent to any server or stored anywhere.
What formats does YAML to TOML support?
YAML to TOML supports the formats described above. Simply paste your input data and the tool will handle the conversion automatically.
Can I convert large files?
Yes, since all processing happens in your browser, you can convert files of any reasonable size. Very large files may take a moment to process.
Will the conversion preserve my data accurately?
Yes, the conversion is lossless and preserves all data accurately. The tool handles edge cases and special characters properly.