What Is JSON to Key-Value Conversion?
JSON to key-value conversion transforms structured JSON into simple key: value lines using dot notation for nested keys. This flat representation is ideal for environment variable files, simple configs, and human-readable summaries.
This conversion is useful for:
- Environment Variables: Extracting flat key-value pairs for .env files.
- Simple Configs: Creating minimal configuration files.
- Data Inspection: Quickly viewing JSON content in a flat format.
- Log Output: Formatting JSON logs as key-value lines.
How to Convert JSON to Key-Value Online
- Paste JSON: Enter your structured JSON data.
- Click Convert: Flatten to key:value pair lines.
- Copy or edit: Use the output as environment variables or config.
Frequently Asked Questions
How are nested objects handled?
Nested keys use dot notation, e.g., settings.theme: dark.
Can I convert back to JSON?
Yes. Use bidirectional mode or the Key-Value to JSON tool.
Is this tool safe?
Yes. Processing is 100% client-side.
Related Tools
- Key-Value to JSON — Reverse conversion
- Nested to Flat JSON — Similar flattening with JSON output
- JSON to .env — Convert JSON to .env file format