YAML Formatter
YAML Formatter
Paste input, adjust settings if needed, then run.
Validate and format YAML into consistent indentation and scalar output.
Related tools
Result size
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Run to update output.
Output summary
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More actions
Input: manual
Input: manualInputsTextManual input • Auto-updateWaiting
Status
Waiting for output.
Health 55/100
Result sizeLive
0chars
Run to update output.
Copy result = output only. Copy report = output + settings.
Privacy note
Your input is processed locally in your browser whenever possible. We do not store your data.
Flow
- Parse YAML input and detect malformed syntax early.
- Normalize indentation and scalar representation.
- Return clean YAML output for config reuse.
Example
Worked example: nested env config
- 1 Paste compact YAML with nested keys.
- 2 Run formatter to rebuild indentation.
- 3 Inspect normalized block layout for consistency.
YAML becomes easier to validate and diff.
How
- Paste YAML into input field.
- Run formatter to normalize indentation.
- Copy formatted YAML back to your config file.
Cases
- Normalize pipeline YAML before commits.
- Fix indentation drift in long config files.
- Prepare readable YAML for team documentation.
Avoid
- Assuming tabs are valid indentation in YAML files.
- Ignoring parser errors caused by mixed list/object structure.
- Treating formatted output as schema validation.
FAQ
Does this validate YAML syntax?
Yes, malformed YAML is rejected with parser error details.
Can this convert YAML to JSON directly?
Use YAML Editor in to-JSON mode or YAML to JSON tool for conversion.
Is processing private?
Yes, input stays in your browser.
Switch
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