YAML to TOML Converter — Migrate Configs Instantly [2026]
Paste YAML → get valid TOML output in one click. Handles nested objects, arrays, and inline tables. Great for pyproject.toml and Cargo. Browser-based, no signup required.
What is YAML to TOML?
How to Use YAML to TOML
Paste your YAML content into the input area on the left. The tool will parse the YAML and generate equivalent TOML output on the right. Click the copy button to copy the result. The converter supports strings, numbers, booleans, arrays, and nested objects.
How YAML to TOML Works
Common Use Cases
- Converting Docker Compose configs to TOML for Rust projects
- Migrating GitHub Actions workflow settings to TOML format
- Transforming Ansible playbook variables to TOML
- Creating pyproject.toml from existing YAML configurations
Frequently Asked Questions
Why convert YAML to TOML?▼
TOML is required by tools like Cargo (Rust), pyproject.toml (Python), and Hugo. If you have existing configuration in YAML format, this tool helps you convert it quickly.
Does it support nested YAML objects?▼
Yes. Nested YAML objects are converted to TOML tables with [section.subsection] notation.
How are YAML arrays handled?▼
Simple arrays are converted to TOML inline arrays. Arrays of objects are converted to TOML arrays of tables using [[section]] syntax.
Is this tool free to use?▼
Yes, completely free. No signup, no limits, and all processing happens in your browser.