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YAML to TOML Converter

Convert between YAML and TOML formats. Supports nested objects, arrays, multiline strings, and configurable indentation.

import TextLineTool from "./_TextLineTool.astro"
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How to use YAML to TOML Converter

  1. Paste your YAML or TOML into the input box above.
  2. Select the conversion direction (YAML to TOML or TOML to YAML).
  3. Adjust the indentation width if needed.
  4. Click Convert to see the result.

What is YAML to TOML Converter?

YAML is widely used for configuration files (Docker Compose, Kubernetes, Ansible, CI/CD pipelines) while TOML is preferred by many package managers (Cargo, pip, Go). Converting between them is common when migrating projects or working across different tool ecosystems.

This two-way converter handles nested indentation-based YAML objects, arrays with dash prefix, multiline strings (| and > indicators), comments, and inline collections. Reverse direction converts TOML back to readable YAML.

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FAQ

Does it support YAML multiline strings?
Yes. YAML multline strings with | (literal block) and > (folded block) indicators are supported.
Does it handle YAML comments?
Yes. Comments starting with # are parsed correctly and ignored during conversion.
Can I convert TOML back to YAML?
Yes. Use the direction dropdown to switch from TOML to YAML mode.
Is my data uploaded anywhere?
No. All conversion happens in your browser. Nothing is sent to any server.

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