Fantastic online tools, you can try and learn. Dirt your hands right away! 🙂
1. Online JSON Parser
Allows you to paste in a JSON string and have it validated. It will immediately allow you to see pesky subtle errors in your JSON syntax. Just edit your JSON string right there in the box and it will auto update the preview below live so you can immediately see the effects your changes have on the outcome.
2. Online YAML Parser
YAML: YAML Ain’t Markup Language (http://yaml.org/)
What It Is: YAML is a human friendly data serialization standard for all programming languages
http://yaml-online-parser.appspot.com/ (YAML to JSON/Python/Canonical YAML)
Hope you would enjoy great! 🙂