TOML to YAML Converter
TOML → YAML 1.2 via @iarna/toml + js-yaml. Handles nested tables, arrays of tables, datetimes.
TOML to YAML Converter — Free Online Tool
Converts TOML configuration files into YAML 1.2 using @iarna/toml for parsing and js-yaml for emission, preserving nested tables, arrays of tables, inline tables, and datatypes (string, int, float, bool, datetime), useful for migrating Cargo and pyproject configs to YAML, translating between CI config formats, and normalizing polyglot configuration tooling.
How to use the TOML to YAML Converter
- Open the tool above — it runs entirely in your browser, so your input never leaves this page.
- Paste or type your input into the field, then press the relevant button (e.g. Encode / Decode, Generate, or Convert).
- Copy the result from the output area with the copy button orCtrl/Cmd + C.
- No signup, no upload, and no tracking — repeat as often as you need.
Frequently asked questions
Is the TOML to YAML Converter free to use?
Yes. The TOML to YAML Converter is completely free, with no signup, no ads inside the tool, and no hidden limits.
Does the TOML to YAML Converter upload my data?
No. The TOML to YAML Converter processes everything locally in your browser. Your input is never sent to a server, so it stays private even on shared devices.
Does the TOML to YAML Converter work offline?
After the page loads, the TOML to YAML Converter runs entirely in your browser, so it keeps working without a network connection.
Free & private — why use this TOML to YAML Converter
The TOML to YAML Converter runs 100% client-side in your browser. Your data is never uploaded to a server, no account is required, and the tool is completely free. It works offline once the page has loaded and is part of a growing collection of privacy-first developer utilities.