JSON to Language Struct / Class Generator
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.
How to Use TOML → YAML
Step 1
Paste your TOML code into the left pane.
Step 2
Select YAML indentation spacing (2 or 4 spaces).
Step 3
Inspect the converted YAML output in the right pane.
Step 4
Click "Copy YAML".
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.
Input & Output Examples
Converting TOML to YAML
`[package]\nname = "my-app"\nversion = "0.1.0"\nauthors = ["Alice <alice@example.com>"]`
`package:\n name: my-app\n version: 0.1.0\n authors:\n - Alice <alice@example.com>`
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.
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.
