JSON YAML Converter

Convert between JSON and YAML formats online. Free, private, and 100% client-side.

Mode

Input

Output

Local only

Recent history

No history yet

How to use

Paste JSON or YAML into the input box.
Select JSON to YAML or YAML to JSON mode.
Copy or download the result.

Frequently asked questions

What YAML features are supported?: Basic YAML with nested mappings, sequences, scalars (string, number, boolean, null), and quoted strings.
Is my data uploaded anywhere?: No. All conversion happens locally in your browser.

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