YAML to JSON Converter

This tool converts YAML input into clean, structured JSON instantly. It’s ideal for developers, system admins, and anyone working with APIs, configuration files, or structured data that needs to be flattened into standard JSON. You can paste or upload YAML, adjust a formatting toggle, and export valid JSON with no setup or scripting required.

Paste your input above or import a file below.
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Supported file types: .yaml, .yml, .txt
Total characters: 0
Options
Trim string values

How to Use:

Paste your YAML into the input box on the left. You can also upload a .yaml, .yml, or .txt file using the Choose File button. Then use the Options panel to customize the output:

  • Trim string values: Removes extra spaces from the beginning and end of every string field for cleaner output.

The converted JSON appears instantly on the right. You can click Copy Output to copy the result, or Export to File to download it. Press Clear All to reset both sides and start over.

What the YAML to JSON Converter Tool does:

This tool parses YAML input and converts it into a properly formatted JSON object or array. It supports strings, numbers, booleans, arrays, and nested structures. You can optionally trim whitespace from all string values to keep things clean and compact.

Example:

Input YAML:

person:
  name: Alice
  age: 28
  city: Paris

Output JSON:

{
  "person": {
    "name": "Alice",
    "age": 28,
    "city": "Paris"
  }
}

Common Use Cases:

Use this tool when converting YAML into JSON for use in REST APIs, frontend JavaScript apps, static site generators, cloud infrastructure files, or online validators. It’s especially helpful for testing and formatting configuration files that need to work in both formats. Just paste, preview, and export.

Useful Tools & Suggestions:

If you’re working across config formats, JSON to YAML Converter helps you flip it back cleanly great for editing across tools that prefer one over the other. And when you need to turn that structured data into something spreadsheet-friendly, JSON to CSV Converter lays it all out in rows and columns.

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