Developer tool

YAML-to-JSON Converter

Turn common YAML documents into formatted JSON without sending code anywhere.

Runs in your browser

YAML-to-JSON Converterworks locally

YAML input

Result

{
  "site": {
    "title": "Normal Tools",
    "public": true
  },
  "version": 1
}

Supports common key/value YAML. Advanced anchors, tags, and multiline scalars need a full YAML parser.

How to use this YAML-to-JSON converter

Paste the source text or code, then choose the conversion or formatting mode.
Review the converted result. Check syntax, escaping, and edge cases against the source before using the result in a live project.
Change one input at a time to compare another case, then copy or save the result you plan to use.

About this YAML-to-JSON converter

Use the YAML-to-JSON Converter to turn common YAML documents into formatted JSON without sending code anywhere. Change the inputs to compare another result.

You can also use it to compare the converted result with the source.

Example

Paste a small YAML mapping with a list, then inspect the formatted JSON structure before copying it.

Common uses

→ turn common YAML documents into formatted JSON without sending code anywhere
→ compare the converted result with the source
→ prepare the output for another task or program