YAML Formatter

Fix broken YAML configs fast. Validate with precise error locations, re-indent consistently, sort keys for clean diffs, or convert straight to JSON.

Input

Indentation
Options
All processing is done locally in your browser. Your images never leave your device.

How to use

  1. 1

    Paste your YAML.

  2. 2

    Choose indent size and optional key sorting.

  3. 3

    Press Format — or Convert to JSON.

  4. 4

    Copy the output or download it.

Supported formats

Accepts

Produces

FAQ

The parser returns the exact line and reason, e.g. bad indentation or a stray tab, which YAML forbids.

No. Only whitespace and (optionally) key order change; values stay identical.

Yes — one click produces equivalent JSON with 2-space indentation.

Never. Parsing runs locally in your browser.

About this tool: YAML Formatter

Valid, readable YAML every time

The YAML Formatter beautifies, validates and minifies YAML documents — the format of CI pipelines, Kubernetes manifests and countless configuration files. Indentation is normalised, validation reports the exact line of any syntax error, and YAML-to-JSON conversion is one click away.

YAML's indentation-based syntax means a single wrong space breaks an entire deployment, and the error messages from parsers rarely point where the mistake is. Validating a manifest before committing it saves a failed pipeline round-trip; formatting it makes nested structure legible to teammates.

Parsing runs locally with a full YAML 1.2 engine in your browser. Paste a pipeline definition, fix the flagged line, format for readability, and copy it back — or convert to JSON when a tool in your chain prefers object notation.

Like every Piclizer tool, this one runs entirely in your browser — your files stay on your device.

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