What does this tool do?
JSON to YAML converts JSON data into the cleaner, indentation-based YAML format that configuration files prefer. If you work with Kubernetes manifests, Docker Compose files, CI/CD pipelines or app configs, it turns brace-and-quote-heavy JSON into readable YAML in one click, ready to drop into your repo.
How to use it
- Paste or type your data into the left field.
- The result is generated instantly on the right.
- Use the Copy button to grab the output.
What it solves
Plenty of tools emit JSON, but the config files humans read and hand-edit usually want YAML. This converter maps JSON objects and arrays to indented key-value lines, strips unnecessary quotes and exposes nested structure through whitespace. A typical workflow: grab an API response or a generated JSON config and convert it into readable YAML for Kubernetes, Ansible or GitHub Actions without rewriting anything by hand.
Tips and gotchas
YAML is indentation-sensitive: it uses spaces, never tabs, and misalignment breaks the structure. This tool handles that automatically. JSON null becomes an empty value or ~, and bare words like yes, no or on are quoted carefully so they aren't misread as booleans. Long strings stay on one line unless you reformat them. Everything runs in your browser, so your data never leaves your device.
Frequently asked questions
Why is YAML often considered more readable than JSON?
YAML uses indentation instead of braces and most quotes, which makes config files easier to scan by eye. That is why tools like Kubernetes, Ansible and Docker Compose favor it.
Are nested objects and arrays converted correctly?
Yes. Nested objects gain deeper indentation and arrays are shown with a leading dash (-) per item. The structure is preserved no matter how deep the nesting goes.
Can I add comments to the output?
JSON does not support comments, so none can come from the input. But since the output is YAML, you can add lines starting with # yourself after converting.
Is JSON → YAML free?
Yes. JSON → YAML and all 300+ tools on MagmaNex are completely free with no signup or account required.
Is my data safe?
Yes. Everything runs locally in your browser. The data you enter is never sent to a server, stored, or shared.
Does it work on mobile?
Yes. JSON → YAML works on phones, tablets and desktops — no app download needed.
🔒 Privacy: everything runs in your browser, your data is never sent to a server.