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JSON ↔ YAML

Convertir entre les formats JSON et YAML

JSON
YAML

Comment utiliser

1

Collez ou saisissez du texte

Entrez votre texte, code ou données dans la zone de saisie.

2

Choisissez les options

Sélectionnez la transformation ou le format que vous souhaitez appliquer.

3

Copiez le résultat

Copiez la sortie dans votre presse-papiers en un clic.

Pourquoi utiliser cet outil

100 % Gratuit

Aucun coût caché, aucun niveau premium — chaque fonctionnalité est gratuite.

Aucune installation

Fonctionne entièrement dans votre navigateur. Aucun logiciel à télécharger ou installer.

Privé et sécurisé

Vos données ne quittent jamais votre appareil. Rien n'est envoyé sur un serveur.

Fonctionne sur mobile

Entièrement adaptatif — utilisez-le sur votre téléphone, tablette ou ordinateur.

JSON to YAML Conversion: Choosing the Right Data Format

Key Takeaways

  • YAML uses indentation-based structure for human readability, while JSON uses braces and brackets for machine parsing efficiency.
  • YAML is the standard for Kubernetes, Docker Compose, CI/CD pipelines, and other DevOps configuration files.
  • All conversion happens in your browser — your configuration data never leaves your device.

JSON and YAML are both data serialization formats, but they serve different audiences. JSON excels at machine-to-machine communication with its strict, unambiguous syntax. YAML prioritizes human readability with its clean, indentation-based structure. Converting between them is a daily task for developers working across API development and DevOps infrastructure.

YAML is used in over 95% of Kubernetes configuration files and most CI/CD pipeline definitions.

DevOps Standard

Common Use Cases

1

Kubernetes Configuration

Convert JSON API responses from kubectl to YAML for editing, or convert YAML manifests to JSON for programmatic manipulation.

2

CI/CD Pipeline Development

Convert between JSON and YAML when working across different CI/CD platforms (GitHub Actions uses YAML, some tools output JSON).

3

API Response to Config File

Transform JSON API responses into YAML configuration files for tools like Ansible, Docker Compose, and Helm charts.

4

Configuration Debugging

Convert YAML to JSON to validate structure, as JSON parsers provide more precise error messages for syntax issues.

Pro Tips

Be careful with YAML's implicit type coercion — values like 'yes', 'no', 'on', 'off' are parsed as booleans, and '1.0' as a float.

Use JSON for data interchange between services and YAML for human-edited configuration files.

YAML supports comments (# prefix) while JSON does not — this is a major advantage for documented configuration files.

Always validate YAML indentation carefully — a single space error can change the document structure entirely.

All JSON/YAML conversion is performed entirely in your browser. Your configuration data, which may contain infrastructure secrets or deployment details, is never transmitted to any server.

Questions fréquentes