QQuickKit

JSON ↔ YAML Converter

Convert between JSON and YAML instantly. Preserves structure and indentation — ideal for config files, CI/CD pipelines and Kubernetes manifests.

Paste YAML here...

About This Tool

JSON and YAML are both widely used data serialisation formats, but they serve different purposes. JSON is the standard for APIs and web data exchange — terse, machine-readable and unambiguous. YAML is the format of choice for configuration files in DevOps tools, CI/CD pipelines, Docker Compose, Kubernetes and GitHub Actions — human-friendly and comment-supporting. QuickKit's JSON ↔ YAML Converter lets you switch between the two in real time. Paste into either panel and the other updates instantly. All conversion runs in your browser without any upload.

Features

  • ✓Real-time Conversion — Type or paste into the input panel and the converted output appears instantly without clicking a button.
  • ✓JSON to YAML — Converts JSON objects and arrays to clean YAML with proper indentation, mapping and sequence syntax.
  • ✓YAML to JSON — Parses YAML (including multi-document and anchors) and outputs formatted JSON ready for API use.
  • ✓Structure Preservation — All nested structures, arrays and data types (strings, numbers, booleans, nulls) are preserved accurately during conversion.

FAQ

What is the difference between JSON and YAML?
JSON uses curly braces and quotes, is strict about syntax, and is universally supported. YAML uses indentation instead of brackets, supports comments, and is easier for humans to read and write — making it popular for config files.
Does YAML to JSON support anchors and aliases?
Yes. The underlying js-yaml library resolves YAML anchors (&) and aliases (*) before converting to JSON, so the resulting JSON contains fully expanded values.
Can I convert multi-document YAML?
This tool processes the first YAML document when a stream contains multiple documents separated by "---". For multi-document files, split them first.

Further Reading