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YAML to JSON Converter - Convert YAML to JSON Online

Convert YAML documents and configuration files into standard structured JSON with faithful type and list mapping.

This tool runs in your browser.
Paste YAML to convert.

How to use

  1. 01Paste YAML.
  2. 02Convert it locally.

FAQ

How does the parser handle multi-document YAML separated by ---?

Multiple YAML documents separated by triple hyphens are parsed sequentially and wrapped into a JSON array of documents.

Are YAML anchors (&) and aliases (*) supported during conversion?

Yes. The parser resolves references and anchors automatically, generating expanded, fully self-contained JSON objects.

Can I use this tool offline without an active connection?

Yes. Once loaded, the converter executes completely client-side via JavaScript without depending on backend API calls.