YAML Formatter
Structures YAML configuration files with consistent indentation, proper key alignment, and readable hierarchy for Docker and CI/CD configs.
How to Use the YAML Formatter
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Frequently Asked Questions
Tabs or spaces?
Spaces only — YAML forbids tabs, and the formatter converts them.
Anchors preserved?
Yes — aliases and merge keys survive formatting intact, references and all.
Invalid YAML?
Parse errors cite the exact line and column for quick fixing.
Is my code uploaded anywhere when using YAML Formatter?
No — formatting runs locally in your browser, free with no signup.
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Last updated October 2026