Convert JSON to Java .properties and .env Files
Flatten nested JSON objects into dot-notated Java .properties or UPPER_SNAKE_CASE .env files.
About This Tool
JSON to Properties Converter flattens deep JSON objects and configurations into standard Java .properties format (dot.notation=value) or environment variables (UPPER_SNAKE_CASE=value).
Key Features
Standard Java .properties dot notation formatting
Environment .env UPPER_SNAKE_CASE conversion
Flattens arbitrarily deep nested objects and arrays
How to Use
- 1Paste your JSON configuration into the input editor.
- 2Choose between Standard Java .properties or Environment .env format.
- 3Copy the generated key-value configuration lines.
Why Use ToolSnippet JSON to Java .properties / .env Converter?
Generate .env files from API configurations or Spring Boot application.properties from JSON templates.
Handles deep nested structures and array indexing seamlessly.
Tips for Best Results
- Use .env mode when preparing Docker Compose or Kubernetes ConfigMap environment variable files
Frequently Asked Questions
What is the difference between .properties and .env modes?
.properties maintains lowercase dot notation (spring.datasource.url=...), while .env mode converts keys to UPPER_SNAKE_CASE (SPRING_DATASOURCE_URL=...).
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