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YAML to TOML

Convert YAML to TOML format online. Paste your YAML and get a valid TOML configuration file instantly. Supports all YAML features including nested keys and arrays.

How to Use

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

Frequently Asked Questions

When should I use TOML over YAML?

TOML is preferred for simple configuration files where clarity is critical. It has stricter syntax than YAML.

Does YAML support anchors and aliases?

Yes. YAML supports anchors (&) and aliases (*) for reusing content. TOML does not have a direct equivalent.

What should I watch out for when converting YAML to TOML?

TOML does not support null values, requires same-type arrays, and lacks YAML's multi-document format. Deep nesting becomes verbose in TOML's table syntax. Review output carefully for type mismatches and null value handling.

Which YAML features are not supported in TOML?

YAML-to-TOML incompatibilities: YAML anchors and aliases (&anchor, *alias) do not exist in TOML and are expanded on conversion; YAML allows null values, TOML does not (they are dropped); YAML has special types (binary, timestamped) handled differently; YAML supports multi-document streams (--- separator), TOML does not. Carefully review the output after conversion to ensure correctness.