JSON to YAML Converter
Developer utilities: formatters, validators, encoders, and testers.
What does this tool do?
Convert JSON configs to YAML for Docker, Kubernetes and CI pipelines. Objects, nested arrays and special strings are all translated into valid YAML with correct indentation - processed entirely in your browser.
Key features
- Syntax validation
- Format & minify
- Error highlighting
- Copy formatted output
Convert JSON configs to YAML for Docker, Kubernetes and CI pipelines. Objects, nested arrays and special strings are all translated into valid YAML with correct indentation - processed entirely in your browser.
JSON Input
YAML Output
How to Use
- Paste your JSON into the input box.
- Click Convert to YAML (conversion also happens live as you type).
- Copy the YAML output for your config files.
Core Features
- Correct 2-space indentation for nested objects and arrays
- Smart quoting: strings that look like booleans, numbers or contain special characters are safely quoted
- Handles nulls, empty objects and empty arrays
- 100% client-side - configs never leave your browser
Frequently Asked Questions
Will the YAML work with Kubernetes or Docker Compose?
Yes. The output follows standard YAML 1.2 block style with 2-space indentation, which Kubernetes manifests, docker-compose files and most CI configs expect.
How are special strings handled?
Strings that could be misread - like "yes", "123", or "key: value" - are automatically wrapped in single quotes so parsers read them as plain strings.
How to Use JSON to YAML Converter
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