YAML Tools
YAML Flow-to-Block Style Converter
Convert flow-style YAML collections into block style.
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What is Flow → Block?
A style converter that expands flow collections into block-indented YAML for readability and consistency.
How it works
The input parses with js-yaml and re-dumps with flow style disabled at every level, producing fully block-style output.
- Enter your input. Type or paste your input into the field above — the tool responds instantly.
- Review the result. Output updates live as you type. Everything runs entirely in your browser.
- Copy or download. Use the Copy button to grab the result, or Download to save it as a file.
Examples
Realistic sample
Paste or type any realistic input — the tool computes the result locally and instantly.
Common mistakes
Expecting a server round-trip
Nothing is uploaded — every tool in this category runs entirely in your browser.