Validators
YAML Validator
Check YAML syntax for indentation errors, mapping conflicts, and invalid scalars. Get instant feedback with precise line numbers to ensure your configuration files are production-ready.
Check YAML syntax for indentation errors, mapping conflicts, and invalid scalars. Get instant feedback with precise line numbers to ensure your configuration files are production-ready.
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Best Practice
Always use spaces for indentation; tabs are forbidden in the YAML specification and will cause errors.
Tip
Use block scalars (using | or >) for multi-line strings to keep your YAML configuration readable.
Did You Know?
YAML stands for 'YAML Ain't Markup Language' and is designed to be human-friendly.
Q: Why does my YAML fail even though it looks correct? A: YAML is extremely sensitive to whitespace; check for hidden tab characters or inconsistent spacing.
Q: Does this validator support YAML anchors and aliases? A: Yes, it supports the full YAML specification including reusable anchors and aliases.
Q: How do I find the specific error location? A: The validator provides the exact line and column number, often highlighting the problematic code in the editor.
Best Practice
Validate your Kubernetes manifests or Docker Compose files before applying changes to avoid runtime failures.