All Tools VerseYAML to TOML Converter
Convert a YAML mapping into TOML, with nested mappings as tables and lists as arrays of tables.
- Runs in your browser
- Nothing uploaded
- Free, no sign-up
Processed locally in your browser. Your data never leaves this tab.
How to Use YAML to TOML Converter
- Paste a YAML mapping. The top level must be a mapping.
- Convert. Simple values become pairs and nested ones become tables.
- Read the result. Lists of objects become arrays of tables.
- Copy the result. Click Copy result. It all runs in your browser.
Frequently Asked Questions
What does it produce?
TOML where top-level scalars are key-value pairs, nested mappings are tables, and lists of objects are arrays of tables.
Does the top level need to be a mapping?
Yes. TOML starts from a table, so a bare list is reported as not convertible at the top level.
Are strings quoted?
Yes. Text values are quoted, with backslashes and quotes escaped.
Is my data sent anywhere?
No. The conversion runs entirely in your browser, so your YAML never leaves the tab.
Is it free?
Yes. Every tool here is free to use with no sign up.
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