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HCL-TOML Converter

Convert between HashiCorp Configuration Language (HCL) and TOML formats for infrastructure configurations

Key Facts

Category
Format Conversion
Input Types
textarea, select
Output Type
text
Sample Coverage
4
API Ready
Yes

Overview

The HCL-TOML Converter is a specialized utility designed to seamlessly transform configuration files between HashiCorp Configuration Language (HCL) and TOML formats, ensuring compatibility across your infrastructure management tools.

When to Use

  • •When migrating infrastructure definitions from HCL-based systems to tools that require TOML configuration.
  • •When standardizing configuration formats across different DevOps pipelines or application environments.
  • •When you need to quickly validate the structural parity of your configuration data between two different formats.

How It Works

  • •Paste your source configuration code into the input area.
  • •Select the desired conversion direction: HCL to TOML or TOML to HCL.
  • •Click the convert button to generate the transformed configuration output.
  • •Copy or download the resulting code for use in your infrastructure deployment.

Use Cases

Standardizing configuration files for cross-platform deployment tools.
Refactoring legacy infrastructure code into modern configuration formats.
Bridging the gap between HCL-centric infrastructure tools and TOML-based application settings.

Examples

1. Migrating Terraform Config to TOML

DevOps Engineer
Background
An engineer needs to move a set of infrastructure variables from a Terraform HCL file into a TOML-based configuration for a custom internal deployment script.
Problem
Manually rewriting HCL syntax into TOML is error-prone and time-consuming.
How to Use
Paste the HCL block into the input field, select 'HCL to TOML', and click convert.
Outcome
The tool outputs a clean, valid TOML file that is immediately ready for the deployment script.

2. Standardizing App Settings

Software Developer
Background
A developer has a TOML configuration file for an application but needs to integrate it into a larger HCL-based infrastructure project.
Problem
The infrastructure tool requires HCL, but the application settings are currently defined in TOML.
How to Use
Paste the TOML content, select 'TOML to HCL', and generate the required HCL block.
Outcome
The configuration is successfully converted, allowing the application settings to be managed within the existing HCL infrastructure framework.

Try with Samples

image, text, hash
TOML Samples
TOML (Tom's Obvious, Minimal Language) format examples from simple to complex structures
title token toml
sample
XML Samples
XML (eXtensible Markup Language) format examples from simple to complex structures
matched family image,text
image, text
SVG Samples
Scalable Vector Graphics (SVG) samples demonstrating various SVG features and techniques
matched family image,text
image, text
PDF Samples
Generated PDF samples from tools dated 2026-02-01 to 2026-02-10
matched family image,text
image, text

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FAQ

What is the primary difference between HCL and TOML?

HCL is designed for human-readable infrastructure-as-code, while TOML is a minimal configuration file format designed for simplicity and ease of parsing.

Does this tool support complex HCL blocks?

Yes, the converter is designed to map standard HCL structures into their equivalent TOML representations.

Is my configuration data stored on your servers?

No, all conversions are performed locally or in-memory, and your data is not saved or stored after the session ends.

Can I convert large configuration files?

The tool handles standard configuration sizes efficiently; for extremely large files, ensure your browser has sufficient memory available.

Is this tool compatible with Terraform HCL?

Yes, it supports standard HCL syntax commonly used in Terraform and other HashiCorp ecosystem tools.

API Documentation

Request Endpoint

POST /en/api/tools/hcl-toml-converter

Request Parameters

Parameter Name Type Required Description
inputText textarea Yes -
conversionDirection select Yes -

Response Format

{
  "result": "Processed text content",
  "error": "Error message (optional)",
  "message": "Notification message (optional)",
  "metadata": {
    "key": "value"
  }
}
Text: Text

AI MCP Documentation

Add this tool to your MCP server configuration: 

{
  "mcpServers": {
    "elysiatools-hcl-toml-converter": {
      "name": "hcl-toml-converter",
      "description": "Convert between HashiCorp Configuration Language (HCL) and TOML formats for infrastructure configurations",
      "baseUrl": "https://elysiatools.com/mcp/sse?toolId=hcl-toml-converter",
      "command": "",
      "args": [],
      "env": {},
      "isActive": true,
      "type": "sse"
    }
  }
}

You can chain multiple tools, e.g.: `https://elysiatools.com/mcp/sse?toolId=png-to-webp,jpg-to-webp,gif-to-webp`, max 20 tools.

If you encounter any issues, please contact us at [email protected]