vtree — free JSON to YAML converter. Paste JSON and get readable, properly indented YAML back instantly, entirely in your browser.

Features

• Convert JSON to clean, properly indented YAML
• Preserves numbers, booleans, and null exactly
• Works standalone — no document needs to be open elsewhere in the app
• Runs entirely in the browser — no data leaves your device

Frequently asked questions

Is the YAML output ready to use right away?

Yes — it's standard block-style YAML, 2-space indented, ready to paste into a Kubernetes manifest, GitHub Actions workflow, or any other YAML file.

Does the output include comments?

No — JSON has no concept of comments, so there's nothing to carry over. You get plain YAML, ready for you to annotate yourself.

Are numbers, booleans, and null preserved exactly?

Yes — JSON's types map directly onto YAML's: numbers stay numbers, true and false stay booleans, and null stays null.

Is my data uploaded anywhere?

No. The conversion runs entirely in your browser. Nothing you paste here is sent to a server, and it isn't tied to any document open elsewhere in the app.

Is this free to use?

Yes, vtree is free with no account or sign-up required.