YAML Validator & Formatter
RunDev
Validate YAML syntax and convert to JSON. Catch errors before deployment.Updated 2026-03-11
Ctrl+Enter Run Ctrl+Shift+C Copy output
YAML Input
JSON Output
How to Use
- Copy the formatted result
- Review output with syntax highlighting
- Check validation messages for issues
- Click Process or press Ctrl+Enter
FAQ
Can I integrate this into my workflow?
Bookmark for quick access. The URL updates with settings for sharing configurations.
Does it support large files?
Handles reasonably large inputs. Files over 10MB may take a few seconds depending on your device.
Does it validate input?
Yes, input is validated and clear error messages are shown for any issues.
Which standards does it follow?
Follows the latest official specifications — RFC, W3C, or ECMA as applicable.
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