Does it handle every YAML feature?

It covers the nested maps, lists and scalars people actually paste in. Anchors, multi-document streams and block scalars are rejected with a clear message rather than silently mangled.

Do my files get uploaded?

No. This tool runs entirely in your browser, so the file never leaves your device.

YAML to JSON

Turn YAML configuration into equivalent JSON.

Free No signup Runs in your browser — nothing uploaded

InputLoad file

Result

How to use the YAML to JSON

Paste your content, or load a file.
The result appears as you type.
Copy or download the output.

Frequently asked questions

Does it handle every YAML feature?: It covers the nested maps, lists and scalars people actually paste in. Anchors, multi-document streams and block scalars are rejected with a clear message rather than silently mangled.
Do my files get uploaded?: No. This tool runs entirely in your browser, so the file never leaves your device.

How to use the YAML to JSON

Frequently asked questions

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