YAML Pretty Print

Paste messy or compact YAML and get a cleanly indented, normalized document ready to copy or commit.

Last updated: May 28, 2026

Indent:Line width:Sort keys

YAML Input

Formatted YAML

name: Alice
age: 30
active: true
address:
  city: London
  zip: EC1A
tags:
  - admin
  - editor
nested:
  deep:
    value: 42

Client-Side Processing

Input Data Stays on Device

Instant Local Execution

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What is YAML Pretty Print?

YAML Pretty Print parses your YAML and re-serializes it with consistent indentation, normalized whitespace, and optionally sorted keys. It is useful for normalizing YAML generated by scripts, fixing inconsistent indentation from copy-paste, or preparing YAML for version-controlled config files.

How to Use YAML Pretty Print

Paste your YAML into the input panel.

Choose indent size (2 or 4 spaces).

Toggle key sorting if you want alphabetical ordering.

Adjust line width if needed.

Copy the formatted output.

Common Use Cases

Normalizing YAML generated by a script before committing.
Fixing inconsistent indentation in a Kubernetes manifest.
Sorting keys in a YAML config for cleaner diffs.
Formatting compact single-line YAML for readability.

Example Input and Output

Compact YAML is reformatted with clean indentation.

Input YAML

name: Alice
address: {city: London,zip: EC1A}
tags: [admin,editor]

Pretty-printed YAML

name: Alice
address:
  city: London
  zip: EC1A
tags:
  - admin
  - editor

Tip

Enable key sorting before committing YAML config files to version control — it produces stable, predictable diffs.

Frequently Asked Questions

What is the difference between this and YAML Beautifier?

YAML Pretty Print is focused on clean one-click formatting with minimal options. YAML Beautifier offers the same capability with a slightly different interface.

Does key sorting change the meaning of YAML?

No. YAML mappings are unordered, so sorting keys only affects readability and diff output, not the parsed data.

Is my YAML sent to a server?

No. All formatting happens in your browser.