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TOML to YAML

Convert TOML to YAML format online. Paste your TOML configuration and instantly get clean, valid YAML output. Ideal for migrating between config file formats.

How to Use

  1. Step 1: Paste your TOML content into the left editor.
  2. Step 2: The YAML equivalent is generated in real-time.
  3. Step 3: Copy or download the YAML output.

Frequently Asked Questions

What is TOML?

TOML is a configuration file format commonly used in Rust projects (Cargo.toml) and Hugo.

What is YAML?

YAML is a human-readable data serialization format widely used for Docker Compose, Kubernetes, and GitHub Actions.

When would you convert TOML to YAML?

Convert when your target tool only accepts YAML: Kubernetes configs, GitHub Actions, Ansible, GitLab CI, and Helm all use YAML. TOML dominates in the Rust ecosystem (Cargo.toml); YAML dominates in cloud-native DevOps.

When should I choose TOML over YAML as a configuration format?

Choose TOML when: the config is relatively flat and simple (e.g., Cargo.toml, pyproject.toml); the team is not comfortable with YAML's indentation pitfalls; you need native date-time support; you prefer strict, unambiguous syntax. Choose YAML when: in the Kubernetes/Helm/Ansible ecosystem (de facto standard); config has deep nesting; you need anchors and aliases (&anchor, *alias) to reduce repetition; broader toolchain support is needed. Overall, YAML is more universal; TOML is better for package manager configs.