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{}JSONKits

JSON to Key-Value Converter

Convert JSON objects to simple key:value pair lines. Perfect for environment variables, config files, and flat data processing.

Input

json
loading editor…

Paste your JSON here...
or drop a file anywhere in this pane

Output

text

Key-Value output will appear here...
press ⌘↵ to convert to key-value

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

  1. Paste JSON: Enter your structured JSON data.
  2. Click Convert: Flatten to key:value pair lines.
  3. 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.

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