YAML Formatter
// Beautify and format YAML documents
#About YAML Formatter
Free online YAML formatter and beautifier. Format messy YAML with proper indentation and consistent structure for easy reading. This tool runs entirely in your browser — your data is never sent to a server. Just paste your input, get instant results, and copy with one click. No sign-up or installation required.
#FAQ
How do I format messy YAML? ▾
Paste your unformatted YAML into the input field and the tool will normalize indentation, align nested keys, and produce clean, consistently spaced output that is easy to read and edit.
Does the YAML formatter validate my document? ▾
The formatter performs basic structural parsing to reformat your YAML. If the input has syntax errors such as mismatched indentation or invalid key-value pairs, an error message will be displayed.
</> Embed this tool ▾
Copy this code to embed the tool on your website. Adjust the height to fit your layout.
<iframe src="https://www.browserutils.dev/embed/yaml-formatter" width="100%" height="500" frameborder="0" title="YAML Formatter"></iframe>