ValidateThis

Config Structure Checker

Validate JSON or YAML config: syntax and optional required top-level keys. Paste config, list required keys (one per line), get errors.

About this tool

Checks that config is valid JSON or YAML and that all required top-level keys are present. Use for package.json, app config, CI configs. Leave "Required keys" empty to only validate syntax.

Click "Validate" to check your code

Search intent cluster

  • Config Validator
  • YAML Validator
  • JSON Syntax Checker
  • Config Key Checker
  • Structure Validation Tool

Entity keywords

config validationjson checkeryaml syntaxrequired keystop-level keyssyntax validationconfiguration toolmarkup validation

How to use this tool

  1. Step 1: Open the Config Structure Checker tool.
  2. Step 2: Paste your JSON or YAML configuration into the provided text area.
  3. Step 3: Click the 'Validate' button to check for syntax errors and required keys.

What this check helps you catch

  • Validate JSON syntax
  • Validate YAML syntax
  • List required keys
  • Check for optional keys
  • Ensure top-level structure

FAQ

What does Config Structure Checker check?
Config Structure Checker checks input validity, structure, and common implementation issues so you can catch errors before deployment.
Can I use Config Structure Checker in CI or QA workflows?
Yes. Use it during QA or pre-release checks to reduce runtime failures caused by invalid data.
Does this tool store my data?
No persistent storage is required for normal validation flow unless you explicitly save reports.

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