Data formats tools
Is it valid, where exactly is it wrong, and what does it become.
JSON Validator & Formatter
Valid? And where exactly is it wrong?
Validate and format JSON with the exact line and column of any error, named for what it actually is: trailing comma, single quotes, unquoted key, comment.
YAML Validator
The line, the column, and the reason
Validate any YAML and get the exact position of a syntax error in plain language.
YAML to JSON Converter
Either direction, and what it costs
Convert YAML to JSON or back, with the direction detected automatically and key order preserved.