YAML to JSON Converter

Convert YAML configuration files and data to JSON format instantly. Supports nested objects, arrays, and all scalar types. 100% browser-based.

YAML→JSON
input.yaml
0 ch
output.jsonformatted
Ready — paste code or click Sample
What is a YAML to JSON Converter?
A YAML to JSON converter parses YAML (YAML Ain't Markup Language) data and transforms it into equivalent JSON output. YAML is widely used for configuration files in DevOps tools including Kubernetes manifests, Docker Compose files, GitHub Actions workflows, Ansible playbooks, and application configuration in frameworks like Ruby on Rails and Spring Boot. While YAML is human-friendly to write, applications and APIs typically work with JSON. PureFormatter's converter handles the most common YAML patterns including nested mappings, sequences, scalar types, and quoted strings.
How to Use PureFormatter
  1. Paste your YAML data into the input panel.
  2. Click 'Sample' to load example YAML with nested objects.
  3. Click ⇄ Convert to generate equivalent JSON.
  4. The formatted JSON output appears in the output panel.
  5. Copy or Download the result as a .json file.
Frequently Asked Questions