YAML formatter and validator
Parse and reformat a YAML document with safe alias limits.
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- On a computer
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A bookmark saves the page link. Save any tool results separately.
How to use this tool
- Paste one YAML document.
- Choose indentation and format.
- The parser checks duplicate mapping keys and syntax.
Things to know
- Comments and presentation styles are not preserved. Custom YAML tags are rejected.
- Each text input accepts up to 5 MiB. Output is limited to 25 MiB and combined text settings to 1 MiB.
- Structured documents accept up to 128 nesting levels and 250,000 values; query and schema modes have additional limits.
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