Transform YAML into JSON

Transform YAML into JSON converts structured YAML into valid JSON. Paste, format, and export clean JSON instantly in your browser.

Paste your input above or import a file below.
No file chosen
Supported file types: .yaml, .yml, .txt
Total characters: 0
Options
Pretty-print output
Maximize output

How to Use:

  • Paste your YAML into the input box or upload a .yaml, .yml, or .txt file
  • The tool automatically parses and converts your YAML to JSON
  • Toggle Pretty-print output to enable or disable indentation in the JSON result
  • Use Maximize output to expand the output area for longer results
  • Click Convert to manually reprocess the current YAML input
  • Use Copy Output to copy the result to your clipboard
  • Use Export to File to download the result as a .json file
  • Click Clear All to reset all fields, options, and file data

What Transform YAML into JSON can do:

This tool takes any valid YAML and turns it into proper JSON. It converts lists, nested objects, strings, numbers, and booleans into their JSON equivalents all while keeping the structure intact. It’s useful when switching between formats for APIs, config files, documentation, or pipelines. You can enable pretty-printing for human-friendly JSON or disable it for a compact, minified version. Everything runs entirely in your browser, so your content never leaves your device. You can convert YAML safely and instantly without installing any software or writing scripts.

Example:

YAML Input:

name: Alice
age: 30
skills:
  - Python
  - YAML

JSON Output:

{
  "name": "Alice",
  "age": 30,
  "skills": ["Python", "YAML"]
}

Common Use Cases:

Transform YAML into JSON is perfect for developers working on config files, OpenAPI specs, GitHub Actions, and other workflows where YAML is common but JSON is required. It’s also helpful for frontend and backend devs who need to convert test data or logs between formats. You get quick, error-free JSON without worrying about spacing or syntax.

Useful Tools & Suggestions:

If you’re switching YAML to JSON, it’s a good idea to Flatten YAML first so nested data doesn’t turn into a mess. And once you’re done, run it through JSON Prettifier to keep the structure readable and easy to debug.

Related Tools