JSON Tools

JSON to Properties Converter

Transform JSON configuration into Java .properties format, .env files, or INI-style configs. Flattens nested objects using dot notation with customizable delimiters and array handling options.

Updated 2025-06-12

JSON to Properties Converter

Convert JSON to Java .properties, .env, or INI format. Flattens nested structures using configurable key notation.

Conversion Options

About JSON to Properties

Convert JSON configuration to Java .properties format, .env files, or INI-style configs. Nested objects are flattened using dot notation (or custom delimiters).

Output Formats:

  • Java .properties: Standard format with escaped special characters
  • .env: Environment variables with UPPER_CASE keys
  • INI: Grouped by top-level keys as sections

Example:

// JSON Input:
{"db": {"host": "localhost", "port": 5432}}

// .properties Output:
db.host=localhost
db.port=5432

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