Free YAML to JSON Converter Online
Convert YAML to JSON instantly with our free online tool. Transform YAML data and files to JSON format with syntax validation. No signup required.
35K+ uses/month
Client-side processing
No data stored
YAML Input
JSON Output
How to Use
1
Paste or Upload YAML
Enter your YAML data or upload a .yaml file
2
Convert
Click convert to transform YAML to JSON
3
Review Output
View the converted JSON with proper formatting
4
Copy or Download
Copy to clipboard or download as .json file
Frequently Asked Questions
What YAML features are supported?
The converter supports basic YAML features including objects, arrays, strings, numbers, booleans, and null values.
Are comments preserved?
No, YAML comments (lines starting with #) are ignored during conversion as JSON doesn't support comments.
Is my data secure?
Yes! All conversion happens locally in your browser. Your data never leaves your device.
Can I convert large YAML files?
Yes, the tool can handle large YAML files. All processing is done client-side in your browser.