WizzyTools

Format and re-indent YAML online

Works offline · never uploaded 1 use

Normalize inconsistent YAML indentation to a consistent width instantly in your browser.

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How it works

  1. 1

    Paste the code or data you want to format.

  2. 2

    Choose pretty-print or minify, and set the indent width if you like.

  3. 3

    The formatted result updates instantly.

  4. 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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