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JSON to YAML Online Free — PrivaTools

TL;DR: Paste JSON and copy the equivalent YAML instantly — pure browser, perfect for Kubernetes / Compose / GitHub Actions.

Convert JSON to YAML online for free — paste any JSON and see clean YAML with proper indentation, ready to drop into a Kubernetes, GitHub Actions, or Docker Compose file. Pure-browser.

JSON to YAML runs on the same privacy-first stack as every PrivaTools utility: files enter an isolated Docker container, are processed in temporary memory, and are unlinked the moment your download begins. No account, no watermark, no daily quota.

How to Use JSON to YAML

  1. Paste JSON — Drop valid JSON into the left textarea.
  2. Read YAML instantly — Clean YAML with proper indentation appears on the right, ready to paste into a Kubernetes, GitHub Actions, or Compose file. Click Copy to grab it. Pure-browser conversion.

Frequently Asked Questions

Is it 100% in my browser?

Yes. The JSON never leaves your device — pure-browser conversion, no upload.

Will it format the YAML correctly?

Yes — proper indentation (2 spaces), keys with special characters get quoted, lists get the bullet-point style by default. Output is ready to paste into a Kubernetes or GitHub Actions file.

What if the JSON is invalid?

An error appears in the output area. Fix the JSON and the conversion updates live.

Last reviewed 2026-05-01 by the PrivaTools maintainers. Source code on (MIT-licensed, self-hostable).

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