YAML Formatter

Tidy up YAML formatting or compress into a compact version.

✅ 100% Free

🔒 Secure & Private

⚡ Fast Processing

🧩 YAML Validation

Input YAML

Output YAML

Formatter Options

Indent Size

Flow Level

Line Width

YAML Version

Use YAML 1.2 (no compatibility mode)

Object Keys

Sort keys alphabetically

-+-

Secure & Private

Your YAML data is processed locally in your browser. No data is sent to our servers, ensuring complete privacy and security of your information.

Features

• Beautify YAML with customizable indentation

• Minify YAML to reduce file size

• Validate YAML syntax with detailed error messages

• Control flow style and line wrapping

• Option to sort object keys alphabetically

About YAML

YAML (YAML Ain't Markup Language) is a human-friendly data serialization standard that can be used in conjunction with all programming languages. It is commonly used for configuration files, but could be used in many applications where data is being stored or transmitted.

Key features of YAML include:

Human-readable format with minimal syntax
Support for complex data structures
Indentation-based structure (similar to Python)
Comments and documentation capabilities
References and anchors for reusing content

YAML is widely used in DevOps tools like Docker, Kubernetes, and Ansible for configuration files. It's also popular in CI/CD pipelines, static site generators, and many other applications where a readable configuration format is needed.