Validate YAML with the exact line of any error, and convert YAML to JSON or JSON to YAML.

How it works

YAML is parsed with js-yaml using the YAML 1.2 core schema, then printed as JSON (or the reverse). A parse error shows the line and column, usually an indentation problem: YAML indents with spaces only, and siblings must line up exactly.

Gotchas the converter makes visible

YAML	Becomes	Why
`version: 1.10`	`1.1`	unquoted numbers are numbers; quote versions
`port: 08`	`"08"` or an error	leading zeros aren’t decimal numbers
`on: yes`	`"yes"` (YAML 1.2)	YAML 1.1 parsers read it as `true`
`time: 12:30`	`"12:30"`	sexagesimal numbers were dropped in 1.2

Only the first document of a multi-document file (---) is converted.

References

YAML 1.2.2 specification

YAML Validator & Converter

How it works

Gotchas the converter makes visible

References

Related