Convert JSON to Properties
Convert JSON objects to .properties format with dot notation.
Input (JSON)
Options
Output (Properties)
Example: Before and After
Before (input)
{"name":"Ada","score":9}After (output)
name=Ada score=9
About This Tool
Convert JSON objects to Java .properties file format using dot notation for nested keys. This tool flattens hierarchical JSON structures into the key=value format used by Java applications, Spring Boot configurations, and similar systems.
Common Use Cases
- Creating Java .properties files from JSON configs
- Converting Spring Boot application.yml alternatives
- Migrating configuration between formats
- Generating properties files for Java applications
- Exporting JSON settings to properties format
How to Use
- Paste your JSON configuration data
- The tool converts to properties format
- Nested keys become dot-notated paths
- Copy the .properties file content
Features
- Converts nested objects to dot notation (e.g., parent.child.key)
- Handles arrays with index notation
- Produces standard .properties file format
- Compatible with Java and Spring Boot
Tips
JSON like {"database": {"host": "localhost"}} becomes database.host=localhost in properties format.
Frequently Asked Questions
Is my input stored or logged?
No. This tool is designed to run in your browser, and we do not store or log your content during processing.
Is conversion instant?
Yes for most inputs. Output updates immediately, and large inputs may take a moment depending on your device.
Can this handle large text?
It can handle large text, but performance depends on your browser and device. For very large files, consider splitting the input.
Does it support mobile?
Yes. The interface is responsive and works on phones and tablets, so you can use it on the go.
Can I use it for commercial projects?
Yes. You are free to use the output in personal or commercial projects without attribution.
Does this affect numbers or punctuation?
Only if the selected options target them. Otherwise, numbers and punctuation are preserved as-is.