Developer Tool
YAML to JSON
Convert YAML documents to JSON format. Pretty-print or minify the output. 100% client-side — no data is sent to any server.
🔒 All processing happens in your browser. No data is sent to any server.
How to use this YAML to JSON Converter
Converting YAML to JSON is simple with our free online tool. Paste your YAML data into the input field above. The conversion happens automatically as you type.
You can choose between Pretty-print for readability or Minify for compact output. Once converted, you can Copy the JSON to your clipboard or Download it as a .json file for use in your applications.
What this YAML to JSON converter does
- ✓Convert YAML to JSON — Transform YAML documents into JSON format.
- ✓Auto-convert — Conversion happens automatically as you type.
- ✓Pretty-print — Format JSON with proper indentation for readability.
- ✓Minify — Remove all whitespace to reduce file size.
- ✓Validate YAML — Check if your YAML is valid and show errors.
- ✓Copy to clipboard — Copy the JSON output with one click.
- ✓Download as file — Download the JSON as a .json file.
- ✓100% client-side — All processing happens in your browser. No data is sent to servers.
Common use cases
- •Convert YAML configuration files to JSON for use in JavaScript applications
- •Transform YAML data from CI/CD pipelines (GitHub Actions, GitLab CI) to JSON
- •Convert YAML manifests (Kubernetes, Docker Compose) to JSON for API consumption
- •Use YAML's readability for authoring and JSON's compatibility for web development
- •Convert YAML data from Ansible playbooks to JSON for automation scripts
- •Transform YAML schemas to JSON for data validation and API documentation
📊 YAML vs JSON Comparison
YAML
- •Human-readable and intuitive
- •Less syntax, easier to write
- •Supports comments
- •More verbose for complex data
JSON
- •Ubiquitous in web development
- •Strict syntax, less error-prone
- •Native JavaScript support
- •More compact for data exchange