YAML Validator
Check YAML configs.
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How to Use the YAML Validator
Paste your raw YAML configuration file or payload directly into the input text area.
Select your desired action: strictly validate syntax, format and beautify, or convert the YAML into JSON.
Click "Process YAML". If there are formatting errors, the tool will highlight exactly where the parsing failed.
Features & Benefits
100% Privacy Preserved
All YAML validation, formatting, and JSON conversion operations occur entirely within your browser. Your sensitive config files are never uploaded to servers.
Instant Error Tracing
Leveraging native parsers, the tool immediately detects spacing issues, indentation errors, and unescaped characters, returning clear error messages.
YAML to JSON Convert
Quickly translate human-readable YAML configurations (like Docker Compose or Kubernetes manifests) into strictly formatted JSON for API consumption.
Custom Indentation
When formatting or converting to JSON, you can choose between standard 2-space indents (preferred for YAML) or 4-space indents based on your team's style guide.
Frequently Asked Questions
What makes a YAML payload invalid?
YAML relies strictly on indentation (using spaces, never tabs) to denote structure. Common causes of invalid YAML include mixing tabs and spaces, incorrect nesting levels, or failing to quote strings containing special characters.
Is my configuration data uploaded anywhere?
No. The validation process utilizes the robust js-yaml library running entirely locally on your device. Zero data is transmitted over the internet, keeping your credentials and secrets safe.
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