YAML Parser

Parse, validate, and convert YAML to JSON and back. All processing done in your browser for maximum security and privacy.

YAML to JSON JSON to YAML Validate & Inspect

Input

Output

Keys

Depth

Size

0 B

How to Use YAML Parser

Choose Mode

Select YAML to JSON or JSON to YAML conversion mode

Paste Content

Paste your YAML or JSON content into the input field

Convert & Inspect

Click Validate to check syntax or view the converted output instantly

What is YAML?

YAML (YAML Ain't Markup Language) is a human-readable data serialization standard that can be used in conjunction with all programming languages and is often used for configuration files.

Key Features

Human-Readable

Designed to be easily read and written by humans with minimal overhead

Widely Used

Commonly used for configuration files in Docker, Kubernetes, CI/CD, and more

Data Types

Supports strings, numbers, booleans, lists, maps, and multi-line content

Frequently Asked Questions

What YAML specification does this tool support?

This tool supports YAML 1.2 specification through the js-yaml library, which covers the vast majority of YAML documents in use today including Kubernetes configs, Docker Compose files, and CI/CD pipelines.

Can I convert JSON back to YAML?

Yes. Simply switch to JSON to YAML mode using the toggle, paste your JSON content, and the tool will convert it to properly indented YAML format.

Is my data secure when using this parser?

Absolutely. All parsing and conversion happens entirely in your browser using client-side JavaScript. Your YAML and JSON data is never sent to any server.