Convert YAML to JSON Online
Paste YAML config and get valid JSON output instantly.
Free YAML to JSON Converter
Transform YAML configuration files into JSON format. This YAML to JSON converter parses key-value pairs, nested objects, arrays, and common data types into valid JSON.
Why Convert YAML to JSON?
- APIs typically accept JSON, not YAML
- JavaScript/Node.js natively parses JSON
- JSON is more portable across languages
- Validation tools often require JSON
- Database storage usually uses JSON
Supported YAML Features
- Key-value pairs with colon syntax
- Nested objects via indentation
- Arrays with dash syntax
- Auto-detection of numbers, booleans, null
- Quoted and unquoted strings
Frequently Asked Questions
Is this tool free to use?
Yes, completely free with no limits, no signup, and no ads. Use it as many times as you need for development, debugging, or data processing tasks.
Is my data sent to any server?
No. All processing happens locally in your browser using JavaScript. Your data never leaves your device, making it safe for sensitive or proprietary information.
What browsers are supported?
This tool works in all modern browsers including Chrome, Firefox, Safari, Edge, and Opera. It also works on mobile browsers. JavaScript must be enabled for the tool to function.
Is there a size limit for input data?
You can process data up to several megabytes. Performance depends on your browser and device. For typical use cases under 1MB, processing is instant.
Can I use this for commercial projects?
Yes, there are no restrictions on how you use the output. The tool is free for personal, educational, and commercial use without attribution required.