Format and re-indent YAML online 12 uses
Normalize inconsistent YAML indentation to a consistent width instantly in your browser.
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- Runs entirely in your browser — your YAML is never sent to a server
- Normalizes inconsistent indentation to a consistent width
- Free, no account required
How it works
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1
Paste the code or data you want to format.
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2
Choose pretty-print or minify, and set the indent width if you like.
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3
The formatted result updates instantly.
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4
Copy the result, or download it as a file.
Why use this tool
Every dev utility, one place
Format, convert, encode, decode, and generate — no more juggling ten tabs.
100% private, always
Every tool runs in your browser — your code and data are never sent anywhere.
Works on any device
Runs on Windows, Mac, Linux, iOS, and Android — nothing to install.
Instant results
No queues, no build step — results update as you type.
Built to handle real data
Full Unicode support and RFC-compliant parsing, edge cases included.
Free, always
Free to use, with no rate limits, sign-up, or trial period.
Frequently asked questions
Because YAML relies on strict indentation rather than brackets, pasting unaligned text can confuse the parser.
It safely preserves simple aliases and anchors, though deeply nested cross-references might not expand visually.
Yes, inline JSON-like arrays and objects are normalized back into standard indented blocks.
Depending on the parser aggressiveness, some inline comments may be stripped to ensure clean output.
The output normalizes everything to a consistent 2-space indentation standard.
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