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TOML → YAML

Convert TOML configuration markup into YAML format.

Programming & Config Studio

JSON to Language Struct / Class Generator

RAW JSON OBJECT
GENERATED GO CODE
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Tool Documentation & Architecture

About TOML → YAML

The TOML to YAML Converter transforms Rust (`Cargo.toml`), Python (`pyproject.toml`), and Hugo configuration files into clean, readable YAML documents with multi-line string preservation and comments handling.

Step-by-Step Guide

How to Use TOML → YAML

1

Step 1

Paste your TOML code into the left pane.

2

Step 2

Select YAML indentation spacing (2 or 4 spaces).

3

Step 3

Inspect the converted YAML output in the right pane.

4

Step 4

Click "Copy YAML".

Industry Scenarios

Practical Use Cases for TOML → YAML

Converting Rust Cargo.toml & Python pyproject.toml to YAML

Transform package manifest files into YAML for GitHub Actions CI/CD workflows, Docker Compose, and Kubernetes manifests.

Static Site Generator Configuration Migration

Convert Hugo and Astro TOML configuration files into standard YAML format.

Sample Data & Transformation

Input & Output Examples

Converting TOML to YAML

Input Sample:
`[package]\nname = "my-app"\nversion = "0.1.0"\nauthors = ["Alice <alice@example.com>"]`
Processed Result:
`package:\n  name: my-app\n  version: 0.1.0\n  authors:\n    - Alice <alice@example.com>`
Technical Capabilities

Key Features & Performance

  • Parses TOML v1.0.0 tables, inline tables, datetime strings, and arrays of tables (`[[table]]`).
  • Outputs clean standard YAML 1.2 with customizable indentation (2 or 4 spaces).
  • Preserves multi-line literal strings and boolean/numeric types.
  • 100% Client-Side memory execution via WebAssembly TOML parser.
  • 1-Click Copy YAML output.
Technical Glossary

Key Terminology & Definitions

TOML (Tom's Obvious Minimal Language)

A configuration file format designed to be easy to read due to obvious semantics, mapping unambiguously to a hash table.

Array of Tables (`[[table]]`)

A TOML syntax feature representing a list of structured objects, mapped to YAML sequence of mappings.

Frequently Asked Questions (PAA)

TOML → YAML FAQs

TOML ISO 8601 dates and timestamps are formatted as standard YAML ISO datetime scalars.
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