Convert Java .properties and .env to Nested JSON

Transform dot-notated Java .properties and .env files into structured, nested JSON objects.

Java .properties / .env to JSON Converter

Convert dot-notated Java .properties configuration files and .env variables into nested JSON.

.properties / .env Content

Converted Nested JSON Object

{
  "server": {
    "port": 8080,
    "host": "127.0.0.1",
    "ssl": {
      "enabled": true
    }
  },
  "spring": {
    "datasource": {
      "url": "jdbc:postgresql://localhost:5432/mydb",
      "username": "postgres_admin",
      "max-pool-size": 20
    },
    "jpa": {
      "show-sql": false
    }
  }
}

About This Tool

Properties to JSON Converter parses Spring Boot and Java .properties files alongside .env files, converting dot-notated keys (server.port=8080) into deep, structured JSON objects.

Key Features

Expands dot notation (app.db.url) into nested JSON objects

Recognizes booleans, integers, and null values

Filters out comments (# and !)

How to Use This Tool

Paste your Java .properties or .env text into the input editor.
Inspect the converted nested JSON object in real-time.
Copy the formatted JSON.

Why Use This Tool

Easily migrate Spring Boot configuration files or environment variables into JSON/YAML configuration formats.
Expands dot notation into deep nested hierarchy.

Pro Tips

Paste your application.properties file directly to view it as a clean configuration JSON object

Frequently Asked Questions

How are comments in .properties files handled?

Lines starting with # or ! are recognized as comments and safely ignored during conversion.

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