YAML Validator

Check YAML for syntax errors, see the exact line that failed, and preview the parsed document as JSON.

YAML file (optional - or paste below)

YAML input

Parsed document (JSON)

How it works

Multi-document files (--- separated) are all parsed, and the document count is reported.
Errors include the line, the column and the offending snippet so you can jump straight to the problem.
The parsed result is shown as JSON so you can confirm the structure you expected.