# Object Key-Value Converter

Convert between different object key-value formats and manipulate object structures

> Canonical page: https://elysiatools.com/en/tools/object-key-value-converter

- **Category:** Data Processing

- **Keywords:** object, key-value, convert, transform, json, Object Key-Value Converter

## Overview

The Object Key-Value Converter is a versatile utility designed to transform, restructure, and reformat object data between various standards like JSON, JavaScript objects, and environment variables.

## Inputs

- **Object Input** (textarea): Enter your object data...
- **Input Format** (select)
- **Conversion Mode** (select)
- **Output Format** (select)
- **Key Case Transform** (select)
- **Value Case Transform** (select)
- **Properties Separator** (select)
- **Sort Results** (select)

## When to use

- Standardizing object keys into a consistent naming convention like camelCase or snake_case.
- Converting configuration objects into environment variable formats or properties files for deployment.
- Swapping keys and values or extracting specific data structures for API integration.

## How it works

- Paste your source data into the input field and select the corresponding input format.
- Choose a conversion mode to manipulate the structure, such as swapping keys and values or converting to entries.
- Apply case transformations to keys or values and select your desired output format.
- Click convert to generate the processed object data in your chosen syntax.

## Use cases

- Refactoring configuration files for cross-platform compatibility.
- Preparing data payloads for frontend state management.
- Generating environment-specific configuration strings from JSON templates.

## Frequently asked questions

### What input formats are supported?

The tool supports JSON objects, raw JavaScript objects, and standard key-value pairs.

### Can I change the casing of my keys?

Yes, you can transform keys into lowercase, UPPERCASE, camelCase, snake_case, kebab-case, or PascalCase.

### Does this tool support environment variable output?

Yes, you can select 'Environment Variables' as the output format to generate key=value strings suitable for .env files.

### Can I sort the resulting object?

Yes, you can sort the output by keys or values in either ascending or descending order.

### Is my data sent to a server?

No, all processing is performed locally in your browser to ensure your data remains private.

## Related tools

- [JSON Key Renamer](https://elysiatools.com/en/tools/json-key-renamer): Batch rename JSON object keys with support for patterns, rules, and transformations. Perfect for API response formatting and data normalization.
- [JSON Unflattener](https://elysiatools.com/en/tools/json-unflattener): Convert flattened key-value pairs back to nested JSON objects with support for different key formats and data type inference
- [BOM Character Remover](https://elysiatools.com/en/tools/data-bom-remover): Remove BOM (Byte Order Mark) characters from text and file content. Perfect for cleaning up text files that have encoding issues, fixing CSV imports, and preparing data for processing. Features: - Detect and remove UTF-8 BOM (EF BB BF) - Detect and remove UTF-16 BOM (FE FF or FF FE) - Detect and remove UTF-32 BOM (00 00 FE FF or FF FE 00 00) - Support multiple input formats - Visual BOM character display - Detailed detection report - Support for batch text processing Common Use Cases: - Fix CSV file import errors - Clean up text file encoding issues - Prepare data for JSON parsing - Fix XML parsing problems - Resolve API data encoding conflicts - Standardize text data format
- [JSON Key Extractor](https://elysiatools.com/en/tools/json-key-extractor): Extract all keys from JSON objects with multiple output formats. Perfect for analyzing JSON structure, documentation generation, and understanding complex nested objects.
- [BSON Converter](https://elysiatools.com/en/tools/bson-converter): Encode and decode data to/from BSON (Binary JSON) format
- [CSON to JSON Converter](https://elysiatools.com/en/tools/cson-to-json): Convert CSON (CoffeeScript Object Notation) data to JSON format
- [EDN to JSON Converter](https://elysiatools.com/en/tools/edn-to-json): Convert EDN (Extensible Data Notation) data to JSON format
- [GraphQL to JSON Converter](https://elysiatools.com/en/tools/graphql-to-json): Convert GraphQL query or response data to JSON format

## Samples

- [JSON Samples](https://elysiatools.com/en/samples/json): JSON (JavaScript Object Notation) format examples from simple to complex structures
- [JWT Samples](https://elysiatools.com/en/samples/jwt-samples): Comprehensive JWT examples from basic token structure to advanced security implementations
- [Terraform Plan JSON Samples](https://elysiatools.com/en/samples/terraform-plan-json-samples): Sample Terraform plan JSON files exported from terraform show -json style payloads for dependency visualization and change review
- [Hex/Unicode Encoding Format Samples](https://elysiatools.com/en/samples/text-hex-unicode-formats): Examples of hex (\xXX) and unicode (\uXXXX) escape sequence encoding formats