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Code & Data Tool
YAML Formatter
Clean YAML spacing and report common indentation issues.
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About this tool
What is YAML Formatter?
YAML Formatter cleans up YAML spacing and reports common indentation problems. YAML is whitespace-sensitive, so a consistent layout makes config files much easier to trust.
Useful when you need to
- Check a docker or CI config
- Tidy YAML copied from documentation
- Find an indentation mistake
How to use
How to use YAML Formatter
01 02 Format
Run the tool.
03 Read warnings
Look for reported indentation issues.
04 Copy
Copy the cleaned YAML.
Tips
Get better results
- Use spaces, not tabs, in YAML.
- A formatter cannot know your intended structure, so review any reported issue yourself.
FAQ
Frequently asked questions
Why is YAML so picky?
Indentation defines structure, so a single wrong space can change meaning.
Does it support every YAML feature?
It focuses on common structures and may not handle every advanced feature.
Is it private?
Yes.
More practical guides · File handling and privacy · Report an incorrect instruction