SnappTools logoSnappTools

YAML ↔ JSON Converter

Convert between YAML and JSON formats. Supports nested objects, arrays, strings, numbers, and booleans.

YAML Input
JSON Output

About YAML to JSON

YAML to JSON converts between YAML and JSON formats bidirectionally. Paste YAML and get formatted JSON, or paste JSON and get clean YAML — both with validation and error reporting.

YAML and JSON represent the same data structures but with different syntax preferences. Configuration files (Docker, Kubernetes, CI/CD) use YAML for human readability, while APIs use JSON. Converting between them is a common need when adapting configs or exploring data.

Handles YAML anchors, multi-line strings, and all standard YAML features.

Features

  • ✓YAML to JSON and JSON to YAML
  • ✓Validation with error messages
  • ✓Formatted output
  • ✓Handles YAML anchors and aliases
  • ✓Copy output with one click

Common Use Cases

  • →Converting Kubernetes YAML manifests to JSON for API calls
  • →Transforming JSON config to YAML for readability
  • →Validating YAML files while exploring their JSON structure
  • →Understanding YAML syntax through JSON equivalents