Convert JSON to YAML

Free online JSON to YAML converter.

Choose .json files

or drag and drop — multiple files supported

Max 200 MB for video · 100 MB for other files

Related converters

JSON → CSVJSON → XMLCSV → XLSXXLSX → CSVCSV → JSONYAML → JSONXML → JSONMD → HTMLHTML → MD

Why convert JSON to YAML?

YAML is more readable than JSON and supports comments — making it the preferred format for configuration files (Docker, Kubernetes, GitHub Actions, CI/CD pipelines). Converting JSON to YAML makes your config files human-friendly.

Common use cases

  • Creating Docker Compose files from JSON
  • Converting API specs to YAML format
  • Making configuration files more readable
  • Preparing Kubernetes manifests

How to convert JSON to YAML

  1. Click "Choose a .json file" or drag and drop your JSON file into the upload area.
  2. Select your preferred quality level — high quality keeps the best fidelity, smaller file prioritizes file size.
  3. Your file uploads directly to our secure servers and conversion starts automatically.
  4. Once finished, click "Download" to save your converted YAML file.

Tips for JSON to YAML conversion

  • YAML preserves all data types from JSON — strings, numbers, booleans, arrays, and objects.
  • The output uses block style (multi-line) for readability, not flow style (inline).
  • You can add comments to the YAML output after conversion — JSON doesn't support comments.

About JSON and YAML formats

.JSON format

JSON (JavaScript Object Notation) is a lightweight data format used extensively in web APIs, configuration files, and data exchange. Human-readable and supported by every programming language.

.YAML format

YAML is a human-friendly data format popular for configuration files (Docker, Kubernetes, CI/CD). More readable than JSON with support for comments and complex data structures.

Frequently asked questions

Is YAML compatible with JSON?

Yes — every valid JSON document is also valid YAML. The conversion reformats the data into YAML's more readable syntax with proper indentation instead of braces and brackets.

Will the data change?

No. The data is identical — only the syntax changes. A JSON object becomes a YAML mapping, a JSON array becomes a YAML sequence.

Convert JSON to other formats

JSON to CSVJSON to XML

Privacy and security

Your files are encrypted during upload using 256-bit SSL and are automatically deleted from our servers within 24 hours. We never share, sell, or access your files. All conversions happen on isolated, ephemeral servers.